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Document and Entity Information - shares	9 Months Ended
Document and Entity Information - shares	May 27, 2017	Jun. 22, 2017
Document and Entity Information [Abstract]
Entity Registrant Name	WINNEBAGO INDUSTRIES INC
Entity Central Index Key	0000107687
Current Fiscal Year End Date	--08-26
Entity Filer Category	Accelerated Filer
Document Type	10-Q
Document Period End Date	May 27, 2017
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q3
Amendment Flag	false
Entity Common Stock, Shares Outstanding		31,587,651

Consolidated Statements of Income and Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	May 27, 2017	May 28, 2016	May 27, 2017	May 28, 2016
Net revenues	$ 476,364	$ 272,077	$ 1,092,183	$ 711,972
Cost of goods sold	405,560	241,820	943,188	631,191
Gross profit	70,804	30,257	148,995	80,781
Operating expenses:
Selling	10,141	4,770	25,564	14,714
General and administrative	15,194	6,487	37,640	23,743
Postretirement health care benefit income	0	(1,593)	(24,796)	(4,531)
Transaction costs	450	0	6,374	0
Amortization of intangible assets	10,159	0	22,578	0
Total operating expenses	35,944	9,664	67,360	33,926
Operating income	34,860	20,593	81,635	46,855
Interest expense	5,265	0	11,571	0
Non-operating income	(54)	(77)	(137)	(194)
Income before income taxes	29,649	20,670	70,201	47,049
Provision for income taxes	10,258	6,232	23,794	14,699
Net income	$ 19,391	$ 14,438	$ 46,407	$ 32,350
Income per common share:
Basic	$ 0.61	$ 0.54	$ 1.53	$ 1.20
Diluted	$ 0.61	$ 0.53	$ 1.52	$ 1.20
Weighted average common shares outstanding:
Basic (in shares)	31,587	26,892	30,333	26,935
Diluted (in shares)	31,691	27,004	30,448	27,029
Dividends paid per common share (in dollars per share)	$ 0.10	$ 0.10	$ 0.30	$ 0.30
Other comprehensive income (loss):
Amortization of prior service credit (net of tax of $0, $765, $15,409 and $2,182)	$ 0	$ (1,243)	$ (25,035)	$ (3,545)
Amortization of net actuarial loss (net of tax of $3, $160, $5,971 and $462)	6	260	9,702	751
Plan amendment, (net of tax of $0, $0, $2,402 and $10,895)	0	0	3,903	17,701
Change in fair value of interest rate swap (net of tax of $36, $0, $306 and $0)	(58)	0	(497)	0
Total other comprehensive (loss) income	(52)	(983)	(11,927)	14,907
Comprehensive income	$ 19,339	$ 13,455	$ 34,480	$ 47,257

Consolidated Statements of Operations and Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May 27, 2017	May 28, 2016	May 27, 2017	May 28, 2016
Amortization of prior service credit, tax	$ 0	$ 765	$ 15,409	$ 2,182
Amortization of net actuarial loss, tax	3	160	5,971	462
Plan amendment, tax	0	0	2,402	10,895
Change in value of interest rate swap, tax	$ 36	$ 0	$ 306	$ 0

Consolidated Balance Sheets - USD ($) $ in Thousands	May 27, 2017	Aug. 27, 2016
Current assets:
Cash and cash equivalents	$ 24,369	$ 85,583
Receivables, less allowance for doubtful accounts ($195 and $278)	120,998	66,184
Inventories	144,422	122,522
Prepaid expenses and other assets	8,500	6,300
Total current assets	298,289	280,589
Property, plant and equipment, net	68,656	55,931
Other assets:
Goodwill	245,393	1,228
Other intangible assets, net	230,522	0
Investment in life insurance	27,030	26,492
Deferred income taxes	14,695	18,753
Other assets	5,766	7,725
Total assets	890,351	390,718
Current liabilities:
Accounts payable	79,599	44,134
Current maturities of long-term debt	12,051	0
Income taxes payable	6,094	19
Accrued expenses:
Accrued compensation	23,135	19,699
Product warranties	28,056	12,412
Self-insurance	6,199	5,812
Promotional	9,237	4,756
Accrued interest	3,213	15
Accrued dividend	3,184	0
Other	6,726	6,102
Total current liabilities	177,494	92,949
Non-current liabilities:
Long-term debt, less current maturities	274,818	0
Unrecognized tax benefits	1,755	2,461
Deferred compensation and postretirement health care benefits, net of current portion	18,982	26,949
Other	1,052	0
Total non-current liabilities	296,607	29,410
Shareholders' equity:
Capital stock common, par value $0.50; authorized 60,000 shares, issued 51,776 shares	25,888	25,888
Additional paid-in capital	79,844	32,717
Retained earnings	654,215	620,546
Accumulated other comprehensive (loss) income	(952)	10,975
Treasury stock, at cost (20,189 and 24,875 shares)	(342,745)	(421,767)
Total shareholders' equity	416,250	268,359
Total liabilities and shareholders' equity	$ 890,351	$ 390,718

Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	May 27, 2017	Aug. 27, 2016
Statement of Financial Position [Abstract]
Receivables, less allowance for doubtful accounts	$ 195	$ 278
Capital stock common, par value (in dollars per share)	$ 0.5	$ 0.5
Capital stock common, shares authorized (in shares)	60,000	60,000
Capital stock common, shares issued (in shares)	51,776	51,776
Treasury stock, at cost, shares (in shares)	20,189	24,875

Consolidated Statements of Cash Flows $ in Thousands	9 Months Ended
Consolidated Statements of Cash Flows $ in Thousands	May 27, 2017 USD ($)	May 28, 2016 USD ($)
Operating activities:
Net income	$ 46,407	$ 32,350
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	5,287	4,243
Amortization of intangible assets	22,578	0
Amortization of debt issuance costs	889	0
LIFO expense	897	1,280
Stock-based compensation	2,206	1,818
Deferred income taxes	6,396	2,717
Postretirement benefit income and deferred compensation expense	(23,687)	(3,053)
Other	(946)	(680)
Change in assets and liabilities:
Inventories	(7,497)	(19,251)
Receivables, prepaid and other assets	(21,336)	1,905
Income taxes and unrecognized tax benefits	5,806	(766)
Accounts payable and accrued expenses	32,778	14,345
Postretirement and deferred compensation benefits	(2,428)	(3,167)
Net cash provided by operating activities	67,350	31,741
Investing activities:
Purchases of property and equipment	(9,740)	(19,928)
Proceeds from the sale of property	219	21
Acquisition of business, net of cash acquired	394,694	0
Other	684	371
Net cash used in investing activities	(403,531)	(19,536)
Financing activities:
Payments for repurchases of common stock	(1,367)	(3,058)
Payments of cash dividends	(9,554)	(8,173)
Payments of debt issuance costs	(11,020)	0
Borrowings on credit facility	366,400	0
Repayments of credit facility	69,400	0
Other	(92)	40
Net cash provided by (used in) financing activities	274,967	(11,191)
Net (decrease) increase in cash and cash equivalents	(61,214)	1,014
Cash and cash equivalents at beginning of period	85,583	70,239
Cash and cash equivalents at end of period	24,369	71,253
Supplemental cash flow disclosure:
Income taxes paid, net	11,811	13,137
Interest paid	7,288	0
Non-cash transactions:
Issuance of Winnebago common stock for acquisition of business	124,066	0
Capital expenditures in accounts payable	279	$ 397
Accrued dividend	$ 3,184

Basis of Presentation	9 Months Ended
Basis of Presentation	May 27, 2017
Accounting Policies [Abstract]
Summary of Significant Accounting Policies	Basis of Presentation The "Company," "we," "our" and "us" are used interchangeably to refer to Winnebago Industries, Inc. and its wholly-owned subsidiaries, as appropriate in the context. We were incorporated under the laws of the state of Iowa on February 12, 1958 and adopted our present name on February 28, 1961. Our primary offices are located at 605 West Crystal Lake Road in Forest City, Iowa. Our telephone number is (641) 585-3535; our website is www.winnebagoind.com. Our common stock trades on the NYSE under the symbol “WGO.” The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with GAAP for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. As permitted under those rules, certain footnotes or other financial information that are normally required by GAAP can be condensed or omitted. In our opinion, the accompanying unaudited condensed consolidated financial statements contain all adjustments, consisting of normal recurring accruals, necessary to present fairly our consolidated financial position as of May 27, 2017 and the consolidated results of income and comprehensive income and consolidated cash flows for the first nine months of Fiscal 2017 and 2016. The consolidated statement of income and comprehensive income for the first nine months of Fiscal 2017 is not necessarily indicative of the results to be expected for the full year. These interim financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto appearing in our Annual Report on Form 10-K for the fiscal year ended August 27, 2016. Fiscal Period We follow a 52-/53-week fiscal year, ending the last Saturday in August. Both Fiscal 2017 and Fiscal 2016 are 52-week years. Goodwill and Indefinite-Lived Intangible Asset Goodwill resulted primarily from the Grand Design business combination and represents the excess of the purchase price over the fair value of tangible assets and identifiable intangible assets and liabilities assumed. Annually in the fourth quarter, or if conditions indicate an interim review is necessary, we assess qualitative factors to determine if it is more likely than not that the fair value of a reporting unit is less than its carrying amount and if it is necessary to perform the quantitative two-step goodwill impairment test. If we perform the quantitative test, we compare the carrying value of the reporting unit to an estimate of the reporting unit’s fair value to identify potential impairment. The estimate of the reporting unit’s fair value is determined by weighting a discounted cash flow model and a market-related model using current industry information that involve significant unobservable inputs (Level 3 inputs). In determining the estimated future cash flow, we consider and apply certain estimates and judgments, including current and projected future levels of income based on management’s plans, business trends, prospects and market and economic conditions and market-participant considerations. If the estimated fair value of the reporting unit is less than the carrying value, a second step is performed to determine the amount of the potential goodwill impairment. If impaired, goodwill is written down to its estimated implied fair value. As of May 27, 2017, we had an indefinite-lived intangible asset for the trade name of $148.0 million, from the Grand Design acquisition. Annually in the fourth quarter, or if conditions indicate an interim review is necessary, we assess qualitative factors to determine if it is more likely than not that the fair value of an indefinite-lived intangible asset is less than its carrying amount. If we perform a quantitative test, projections regarding estimated discounted future cash flows and other factors are made to determine if impairment has occurred. These assumptions require significant judgment and actual results may differ from assumed and estimated amounts. If we conclude that there has been impairment, we will write down the carrying value of the asset to its fair value. Other Intangible and Long-Lived Assets Long-lived assets, which include property, plant and equipment, and definite-lived intangible assets, primarily the dealer network, are assessed for impairment whenever events or changes in circumstances indicate the carrying amount of the asset may not be recoverable. The impairment testing involves comparing the carrying amount of the asset to the forecasted undiscounted future cash flows generated by that asset. These assumptions require significant judgment and actual results may differ from assumed and estimated amounts. In the event the carrying amount of the asset exceeds the undiscounted future cash flows generated by that asset and the carrying amount is not considered recoverable, an impairment exists. An impairment loss is measured as the excess of the asset’s carrying amount over its fair value and is recognized in the statement of income in the period that the impairment occurs. The dealer network is amortized over its estimated useful life of 12 years. The reasonableness of the useful lives of this asset and other long-lived assets is regularly evaluated. There was no impairment loss for the period ended May 27, 2017 for goodwill, indefinite- or definite-lived intangible assets, or long-lived assets. Debt Issuance Costs We amortize debt issuance costs on a straight-line basis (which is not materially different from an effective interest method) over the term of the associated debt agreement. If early principal payments are made on the Term Loan, a proportional portion of the unamortized issuance costs will be expensed. We incurred $0 and $0.8 million of costs in the three months and the nine months ended May 27, 2017, respectively, related to our revolving credit agreement that are being amortized on a straight-line basis over the five year term of the agreement. We incurred $0 and $10.2 million of costs in the three months and the nine months ended May 27, 2017, respectively, related to the Term Loan that are being amortized on a straight-line basis over the seven year term of the agreement. Derivative Instruments We use derivative instruments to hedge our floating interest rate exposure. Derivative instruments are accounted for at fair value in accordance with ASC Topic 815, Derivatives and Hedging. We have designated these derivatives as cash flow hedges for accounting purposes. Changes in fair value, for the effective portion of qualifying hedges, are recorded in OCI. We review the effectiveness of our hedging instruments on a quarterly basis, recognize current period hedge ineffectiveness immediately in earnings, and discontinue hedge accounting for any hedge that we no longer consider to be highly effective. Recently Adopted Accounting Pronouncements In April 2015, the FASB issued ASU 2015-03, Interest - Imputation of Interest (Topic 835), which requires that debt issuance costs related to a recognized debt liability be presented in the balance sheet as a direct deduction from the carrying amount of that debt liability. We adopted the standard during the first quarter of Fiscal 2017 and, accordingly, have presented unamortized debt issuance costs as a direct reduction allocated between Current maturities of long-term debt and Long-term debt, less current maturities on the Consolidated Balance Sheet as of May 27, 2017. In September 2015, the FASB issued ASU 2015-16, Business Combinations (Topic 805), to simplify the accounting for measurement-period adjustments in a business combination. Under the new standard, an acquirer must recognize adjustments to provisional amounts in a business combination in the reporting period in which the adjustment amounts are determined, rather than retrospectively adjusting the provisional amounts recognized at the acquisition date with a corresponding adjustment to goodwill as under current guidance. ASU 2015-16 is effective prospectively for fiscal years, and the interim periods within those years, beginning after December 15, 2015 (our Fiscal 2017). We adopted this standard on August 28, 2016 and have accounted for all adjustments to provisional amounts in accordance with this guidance. New Accounting Pronouncements In May 2014, the FASB issued ASU 2014-09, Revenue from Contracts with Customers (Topic 606), which establishes a comprehensive new model for the recognition of revenue from contracts with customers. This model is based on the core principle that revenue should be recognized to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. Entities have the option of using either retrospective transition or a modified approach in applying the new standard. The standard is effective for fiscal years, and the interim periods within those years, beginning after December 15, 2017 (our Fiscal 2019). We are currently evaluating the approach we will use to apply the new standard and the impact adopting this ASU will have on our consolidated financial statements. This evaluation will include a review of representative contracts with key customers and the performance obligations contained therein, as well as a review of our commercial terms and practices across each of our segments. In July 2015, the FASB issued ASU 2015-11, Inventory (Topic 330), which requires inventory measured using any method other than last-in, first-out (“LIFO”) or the retail inventory method to be subsequently measured at the lower of cost or net realizable value, rather than at the lower of cost or market. Under this ASU, subsequent measurement of inventory using the LIFO and retail inventory method is unchanged. ASU 2015-11 will become effective prospectively for fiscal years beginning after December 15, 2016 (our Fiscal 2018). We are currently evaluating the impact of adopting this ASU on our consolidated financial statements and do not expect adoption to have a material impact. In February 2016, the FASB issued ASU 2016-02, Leases (Topic 842), which requires an entity to recognize both assets and liabilities arising from financing and operating leases, along with additional qualitative and quantitative disclosures. The new standard is effective retrospectively or on a modified retrospective basis for fiscal years beginning after December 15, 2018 (our Fiscal 2020), including interim periods within those annual reporting periods. Early adoption is permitted. We are currently evaluating the impact of adopting this ASU on our consolidated financial statements. In March 2016, the FASB issued ASU 2016-09, Improvements to Employee Share-Based Payment Accounting (Topic 718), which simplifies several aspects of the accounting for employee share-based payment transactions, including the accounting for the related income taxes, forfeitures, statutory tax withholding requirements and classification in the statement of cash flows. ASU 2016-09 is effective for annual reporting periods beginning after December 15, 2016 (our Fiscal 2018), including interim periods within those annual reporting periods. Early adoption is permitted. We are currently evaluating the impact of adopting this ASU on our consolidated financial statements and do not expect adoption to have a material impact. In August 2016, the FASB issued ASU 2016-15, Classification of Certain Cash Receipts and Cash Payments (Topic 230), which provides guidance for eight specific cash flow issues with the objective of reducing the existing diversity in practice. ASU 2016-15 is effective retrospectively for annual reporting periods beginning after December 15, 2017 (our Fiscal 2019), including interim periods within those annual reporting periods. Early adoption is permitted. We are currently evaluating the impact of adopting this ASU on our consolidated financial statements and do not expect adoption to have a material impact. In January 2017, the FASB issued ASU 2017-04, Simplifying the Test for Goodwill Impairment (Topic 350), which eliminates the requirement to calculate the implied fair value of goodwill to measure a goodwill impairment change. ASU 2017-04 is effective prospectively for fiscal years, and the interim periods within those years, beginning after December 15, 2019 (our Fiscal 2021). We are currently evaluating the impact of adopting this ASU on our consolidated financial statements and do not expect adoption to have a material impact. Subsequent Events In preparing the accompanying condensed consolidated financial statements, we evaluated the period from May 28, 2017 through the date the financial statements were issued, for material subsequent events requiring recognition or disclosure. No such events were identified for this period.

Business Combination, Goodwill and Other Intangible Assets

9 Months Ended

May 27, 2017

Business Combinations [Abstract]

Business Combination, Goodwill and Other Intangible Assets

We acquired 100% of the ownership interests of Grand Design on November 8, 2016 in accordance with the Securities Purchase Agreement for an aggregate purchase price of $520.5 million, which was paid in cash and Winnebago shares as follows:



(In thousands, except shares)	November 8, 2016
Cash	$	396,442
Winnebago shares: 4,586,555 at $27.05 per share	124,066
Total	$	520,508

The cash portion was funded from cash on hand and borrowings under our ABL and Term Loan agreements. The stock was valued using our share price on the date of closing.

The acquisition has been accounted for in accordance with ASC 805, Business Combinations, using the acquisition method of accounting. Under the acquisition method of accounting, the total purchase price was allocated to the net tangible and intangible assets of Grand Design acquired, based on their fair values at the date of the acquisition. The estimated fair values are preliminary and based on the information that was available as of the date of the acquisition. We believe that the information provides a reasonable basis for estimating the fair values, but we are waiting for additional information necessary to finalize these amounts, particularly with respect to income taxes. Thus, the preliminary measurements of fair value reflected are subject to change. We expect to finalize the valuation and complete the purchase price allocation as soon as practicable, but no later than one year from the acquisition date. The preliminary allocation of the purchase price to assets acquired and liabilities assumed is as follows:



(in thousands)	November 8, 2016
Cash	$	1,748
Accounts receivable	32,834
Inventories	15,300
Prepaid expenses and other assets	2,593
Property, plant and equipment	8,998
Goodwill	244,164
Other intangible assets	253,100
Total assets acquired	558,737

Accounts payable	11,163
Accrued compensation	3,615
Product warranties	12,904
Promotional	3,976
Other	1,569
Deferred tax liabilities	5,002
Total liabilities assumed	38,229

Total purchase price	$	520,508

The acquisition of 100% of the ownership interests of Grand Design occurred in two steps: (1) direct purchase of 89.34% of Grand Design member interests and (2) simultaneous acquisition of the remaining 10.66% of Grand Design member interests via the purchase of 100% of the shares of SP GE VIII-B GD RV Blocker Corp. (Blocker Corp) which held the remaining 10.66% of the Grand Design member interests. We agreed to acquire Blocker Corp as part of the Securities Purchase Agreement and we did not receive a step-up in basis for 10.66% of the Grand Design assets. As a result, we established a deferred tax liability of $8.5 million on the opening balance sheet that relates to intangibles that will not be amortizable for tax purposes.

The goodwill recognized is primarily attributable to the value of the workforce, reputation of founders, customer and dealer growth opportunities and expected synergies. Key areas of cost synergies include increased purchasing power for raw materials, and supply chain consolidation. Goodwill is expected to be mostly deductible for tax purposes. The goodwill resulting from the acquisition of Grand Design increased total goodwill to $245.4 million within the Towable segment as of May 27, 2017 from $1.2 million as of August 27, 2016. No changes were made to the carrying amount of goodwill for the three months ended May 27, 2017.

The allocation of the purchase price to the net assets acquired and liabilities assumed resulted in the recognition of intangible assets with fair value on the closing date of November 8, 2016 and amortization accumulated from the closing date through May 27, 2017 as follows:



(in thousands)	Weighted Average Life- Years	Fair Value Amount			Accumulated Amortization
Trade name	Indefinite	$	148,000		$	—
Dealer network	12.0	80,500			3,676
Backlog	0.5	18,000			18,000
Non-compete agreements	4.0	4,600			767
Leasehold interest-favorable	8.1	2,000			135
Total		253,100			$	22,578
Accumulated amortization		(22,578		)
Net book value of intangible assets		$	230,522

The fair value of the trade name and dealer network were estimated using an income approach. Under the income approach, an intangible asset’s fair value is equal to the present value of future economic benefits to be derived from ownership of the asset. The fair value of the trade name was estimated using an income approach, specifically known as the relief from royalty method. The relief from royalty method is based on the hypothetical royalty stream that would be received if we were to license the trade name and was based on expected revenues. The fair value of the dealer network was estimated using an income approach, specifically the cost to recreate/cost savings method. This method uses the replacement of the asset as an indicator of the fair value of the asset. The useful life of the intangible assets was determined considering the period of expected cash flows used to measure the fair value of the intangible assets adjusted as appropriate for the entity-specific factors including legal, regulatory, contractual, competitive, economic or other factors that may limit the useful life of the intangible assets.

For the nine months ended May 27, 2017 and May 28, 2016, amortization of intangible assets charged to operations was $22.6 million and $0, respectively. The weighted average remaining amortization period for intangible assets as of May 27, 2017 was approximately 11.6 years. Remaining estimated aggregate annual amortization expense by fiscal year is as follows:



(in thousands)	Amount
Remainder of 2017	$	2,082
2018	7,854
2019	7,733
2020	7,733
2021	7,733
2022	7,106
Thereafter	42,281

Within the Towable segment, the results of Grand Design's operations have been included in our consolidated financial statements from the close of the acquisition. The following table provides net revenues and operating income (which includes amortization expense) from the Grand Design business included in our consolidated results during the nine months ended May 27, 2017 following the November 8, 2016 closing date:



	Nine Months Ended
(in thousands)	May 27, 2017
Net revenues	$	366,309
Operating income	27,083

Unaudited pro forma information has been prepared as if the acquisition had taken place on August 30, 2015. The unaudited pro forma information is not necessarily indicative of the results that we would have achieved had the transaction actually taken place on August 30, 2015, and the unaudited pro forma information does not purport to be indicative of future financial operating results. The unaudited pro forma condensed consolidated financial information does not reflect any operating efficiencies and cost savings that may be realized from the integration of the acquisition. Unaudited pro forma information is as follows:



	Three Months Ended				Nine Months Ended
(In thousands, except per share data)	May 27, 2017		May 28, 2016		May 27, 2017		May 28, 2016
Net revenues	$	476,364	$	402,511	$	1,187,849	$	1,022,249
Net income	24,856		21,064		66,009		29,221
Income per share - basic	0.79		0.67		2.09		0.93
Income per share - diluted	0.78		0.67		2.08		0.92

The unaudited pro forma data above includes the following significant non-recurring adjustments made to account for certain costs which would have changed if the acquisition of Grand Design had been completed on August 30, 2015:



	Three Months Ended					Nine Months Ended
(In thousands)	May 27, 2017			May 28, 2016		May 27, 2017			May 28, 2016
Amortization of intangibles (1 year or less useful life)	$	(8,225	)	$	1,579	$	(18,601	)	$	18,722
Increase in amortization of intangibles	—			1,933		1,551			5,799
Expenses related to business combination (transaction costs) ⁽¹⁾	(450		)	450		(6,432		)	6,753
Interest to reflect new debt structure	—			4,884		3,672			14,779
Taxes related to the adjustments to the pro forma data and to the income of Grand Design	3,210			3,892		11,513			(1,838		)

⁽¹⁾ Pro forma transaction costs include $0.1 million incurred by Grand Design prior to acquisition.

We incurred approximately $6.7 million of acquisition-related costs to date, of which $0.5 million and $6.4 million were expensed during the three and nine months ended May 27, 2017 and $0.3 million was expensed in the three months ended August 27, 2016.

- Definition

The entire disclosure for a business combination (or series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities. The disclosure may include leverage buyout transactions (as applicable).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1497-128463

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1490-128463

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e7008-128479

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1486-128463

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1524-128463

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
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+ Details

Business Segments (Notes)

9 Months Ended

May 27, 2017

Segment Reporting [Abstract]

Business Segments

We report segment information based on the "management" approach defined in ASC 280, Segment Reporting. The management approach designates the internal reporting used by management for making decisions and assessing performance as the source of our reportable operating segments.

In the first quarter of Fiscal 2017, we revised our reporting segments. Previously we had one reporting segment which included all RV products and services. With the acquisition of Grand Design in the first quarter, we expanded the number of reporting segments to two: (1) Motorized products and services and (2) Towable products and services. The Motorized segment includes all products that include a motorized chassis as well as other related manufactured products. The Towable segment includes all products which are not motorized and are generally towed by another vehicle. Prior year segment information has been restated to conform to the current reporting segment presentation.

We organize our business on a product basis. Each reportable segment is managed separately to better align to our customers, distribution partners and the unique market dynamics of the product groups. We have aggregated two operating segments into the Towable reporting segment based upon their similar products, customers, distribution methods, production processes and economic characteristics. The accounting policies of both reportable segments are the same and described in Note 1, "Summary of Significant Accounting Policies" in our annual report on Form 10-K for the year ended August 27, 2016 reported on Form 8-K dated January 20, 2017.

We evaluate the performance of our reportable segments based on Adjusted EBITDA. Adjusted EBITDA is defined as earnings before interest, taxes, depreciation and amortization and other adjustments made in order to present comparable results from period to period. These types of adjustments are also specified in the definition of certain measures required under the terms of our Credit Facility. Examples of items excluded from Adjusted EBITDA include the postretirement health care benefit resulting from terminating the plan and the transaction costs related to our acquisition of Grand Design.

The following table shows information by reporting segment:



	Three Months Ended				Nine Months Ended
(In thousands)	May 27, 2017		May 28, 2016		May 27, 2017		May 28, 2016
Net revenues
Motorized	$	241,670	$	246,684	$	635,732	$	649,162
Towable	234,694		25,393		456,451		62,810
Consolidated	$	476,364	$	272,077	$	1,092,183	$	711,972

Adjusted EBITDA
Motorized	$	12,598	$	16,218	$	31,738	$	39,683
Towable	34,730		1,512		59,340		4,134
Consolidated	$	47,328	$	17,730	$	91,078	$	43,817

Capital Expenditures
Motorized	$	1,527	$	3,498	$	6,626	$	19,364
Towable	1,275		73		3,114		564
Consolidated	$	2,802	$	3,571	$	9,740	$	19,928

Total Assets
Motorized	$	319,912	$	354,481	$	319,912	$	354,481
Towable	570,439		25,556		570,439		25,556
Consolidated	$	890,351	$	380,037	$	890,351	$	380,037

Reconciliation of net income to consolidated Adjusted EBITDA:



	Three Months Ended						Nine Months Ended
(In thousands)	May 27, 2017			May 28, 2016			May 27, 2017			May 28, 2016
Net income	$	19,391		$	14,438		$	46,407		$	32,350
Interest expense	5,265			—			11,571			—
Provision for income taxes	10,258			6,232			23,794			14,699
Depreciation	1,859			1,480			5,287			4,243
Amortization of intangible assets	10,159			—			22,578			—
EBITDA	46,932			22,150			109,637			51,292
Postretirement health care benefit income	—			(1,593		)	(24,796		)	(4,531		)
Legal settlement	—			(2,750		)	—			(2,750		)
Transaction costs	450			—			6,374			—
Non-operating income	(54		)	(77		)	(137		)	(194		)
Adjusted EBITDA	$	47,328		$	17,730		$	91,078		$	43,817

- Definition

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 280
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+ Details

Concentration Risk	9 Months Ended
Concentration Risk	May 27, 2017
Risks and Uncertainties [Abstract]
Concentration Risk	Concentration Risk One of our dealer organizations, La Mesa RV Center, Inc., accounted for 10.9% and 13.8% of our consolidated net revenues for the first nine months of Fiscal 2017 and Fiscal 2016, respectively. A second dealer organization, FreedomRoads, LLC, accounted for 10.6% and 17.6% of our consolidated net revenues for the first nine months of Fiscal 2017 and Fiscal 2016, respectively. These dealers declined on a relative basis due to the growth of other dealers and due to the addition of Grand Design revenue in Fiscal 2017. The loss of either or both of these dealer organizations could have a significant adverse effect on our business. In addition, deterioration in the liquidity or creditworthiness of these dealers could negatively impact our sales and could trigger repurchase obligations under our repurchase agreements.

Derivatives, Investments and Fair Value Measurements

9 Months Ended

May 27, 2017

Fair Value Disclosures [Abstract]

Derivatives, Investments and Fair Value Measurements

Assets and Liabilities that are Measured at Fair Value on a Recurring Basis

We account for fair value measurements in accordance with ASC 820, Fair Value Measurements and Disclosures, which defines fair value, establishes a framework for measurement and expands disclosure about fair value measurement. The fair value hierarchy requires the use of observable market data when available. In instances in which the inputs used to measure fair value fall into different levels of the fair value hierarchy, the fair value measurement has been determined based on the lowest level input that is significant to the fair value measurement in its entirety. Our assessment of the significance of a particular item to the fair value measurement in its entirety requires judgment, including the consideration of inputs specific to the asset or liability.

The following tables set forth by level within the fair value hierarchy our financial assets and liabilities that were accounted for at fair value on a recurring basis at May 27, 2017 and August 27, 2016 according to the valuation techniques we used to determine their fair values:



				Fair Value Measurements Using Inputs Considered As
(In thousands)	Fair Value at May 27, 2017			Level 1 Quoted Prices in Active Markets for Identical Assets		Level 2 Significant Other Observable Inputs			Level 3 Significant Unobservable Inputs
Cash equivalents ⁽¹⁾	$	—		$	—	$	—		$	—
Assets that fund deferred compensation:
Domestic equity funds	2,178			2,085		93			—
International equity funds	208			165		43			—
Fixed income funds	220			138		82			—
Interest rate swap contract	(802		)	—		(802		)	—
Total assets (liabilities) at fair value	$	1,804		$	2,388	$	(584	)	$	—



			Fair Value Measurements Using Inputs Considered As
(In thousands)	Fair Value at August 27, 2016		Level 1 Quoted Prices in Active Markets for Identical Assets		Level 2 Significant Other Observable Inputs		Level 3 Significant Unobservable Inputs
Cash equivalents ⁽¹⁾	$	77,234	$	77,234	$	—	$	—
Assets that fund deferred compensation:
Domestic equity funds	3,587		3,515		72		—
International equity funds	258		225		33		—
Fixed income funds	265		206		59		—
Interest rate swap contract	—		—		—		—
Total assets at fair value	$	81,344	$	81,180	$	164	$	—


⁽¹⁾	Cash equivalent balances valued using Level 1 inputs include only those accounts that may fluctuate in value. Cash in disbursing accounts and on-demand accounts are not included above.

The following methods and assumptions were used to estimate the fair value of each class of financial instrument:

Cash Equivalents

The carrying value of cash equivalents approximates fair value as original maturities are less than three months. Our cash equivalents are comprised of money market funds traded in an active market with no restrictions and are included in cash and cash equivalents on the accompanying consolidated balance sheets.

Assets that Fund Deferred Compensation

Our assets that fund deferred compensation are marketable equity securities measured at fair value using quoted market prices and primarily consist of equity-based mutual funds. The majority of securities are classified as Level 1 as they are traded in an active market for which closing stock prices are readily available. These securities fund the Executive Share Option Plan and the Executive Deferred Compensation Plan (see Note 10). The proportion of the assets that will fund options which expire within a year are included in prepaid expenses and other current assets in the accompanying consolidated balance sheets. The remaining assets are classified as noncurrent and are included in other assets.

Interest Rate Swap Contract

Under terms of our Credit Facility (see Note 9) we are required to hedge a portion of the floating interest rate exposure. In accordance with this requirement, we entered into an interest swap contract on January 23, 2017, which effectively fixed our interest rate on $200.0 million of our Term Loan at 6.32%. The notional amount of the swap contract decreases to $170.0 million on December 8, 2017, $120.0 million on December 10, 2018, and $60.0 million on December 9, 2019 and expires on December 8, 2020.

The fair value of the interest rate swap based on a Level 2 valuation was a liability of $0.8 million as of May 27, 2017. The fair value is classified as Level 2 as it is corroborated based on observable market data. This amount is included in other non-current liabilities and accumulated other comprehensive income on the consolidated balance sheet since the interest rate swap has been designated for hedge accounting.

Assets and Liabilities that are Measured at Fair Value on a Nonrecurring Basis

Our non-financial assets, which include goodwill, intangible assets, and property, plant and equipment, are not required to be measured at fair value on a recurring basis. However, if certain triggering events occur, or if an annual impairment test is required, we must evaluate the non-financial asset for impairment. If an impairment did occur, the asset is required to be recorded at the estimated fair value. During the first nine months of Fiscal 2017, no impairments were recorded for non-financial assets.

The carrying value of our debt as of May 27, 2017 approximates fair value as interest is at variable market rates.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References + Details

Inventories

9 Months Ended

May 27, 2017

Inventory Disclosure [Abstract]

Inventories

Inventories consist of the following:



(In thousands)	May 27, 2017			August 27, 2016
Finished goods	$	13,857		$	19,129
Work-in-process	75,727			76,350
Raw materials	89,433			60,740
Total	179,017			156,219
LIFO reserve	(34,595		)	(33,697		)
Total inventories	$	144,422		$	122,522

The above value of inventories, before reduction for the LIFO reserve, approximates replacement cost at the respective dates. Of the $179.0 million and $156.2 million inventory at May 27, 2017 and August 27, 2016, respectively, $156.4 million and $149.4 million is valued on a LIFO basis; the remaining inventories of $22.6 million and $6.8 million at May 27, 2017 and August 27, 2016, respectively, are valued on a FIFO basis.

Property, Plant and Equipment

9 Months Ended

May 27, 2017

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, plant and equipment is stated at cost, net of accumulated depreciation and consists of the following:



(In thousands)	May 27, 2017			August 27, 2016
Land	$	3,864		$	3,864
Buildings and building improvements	71,655			62,073
Machinery and equipment	99,394			95,087
Software	17,672			15,878
Transportation	8,981			8,956
Total property, plant and equipment, gross	201,566			185,858
Less accumulated depreciation	(132,910		)	(129,927		)
Total property, plant and equipment, net	$	68,656		$	55,931

On November 8, 2016, with the acquisition of Grand Design, we acquired $9.0 million of property, plant and equipment.

Warranty

9 Months Ended

May 27, 2017

Product Warranties Disclosures [Abstract]

Warranty

We provide service and warranty policies on our products. From time to time, we also voluntarily incur costs for certain warranty-type expenses occurring after the normal warranty period to help protect the reputation of our products and the goodwill of our customers. Warranty expense is affected by dealership labor rates, the cost of parts and the frequency of claims. Estimated costs related to product warranty are accrued at the time of sale and are based upon historical warranty and service claims experience. Adjustments are made to accruals as claim data and cost experience becomes available.

Changes in our product warranty liability are as follows:



	Three Months Ended						Nine Months Ended
(In thousands)	May 27, 2017			May 28, 2016			May 27, 2017			May 28, 2016
Balance at beginning of period	$	25,030		$	11,727		$	12,412		$	11,254
Provision	10,202			4,844			21,832			12,311
Claims paid	(7,176		)	(4,660		)	(19,092		)	(11,654		)
Acquisition of Grand Design	—			—			12,904			—
Balance at end of period	$	28,056		$	11,911		$	28,056		$	11,911

Long-Term Debt (Notes)

9 Months Ended

May 27, 2017

Debt Disclosure [Abstract]

Long-Term Debt

The components of long-term debt are as follows:



(In thousands)	May 27, 2017			August 27, 2016
ABL	$	—		$	—
Term Loan	297,000			—
	297,000			—
Less: debt issuance cost, net	(10,131		)	—
	286,869			—
Less: current maturities	(12,051		)	—
Long-term debt, less current maturities	$	274,818		$	—

On November 8, 2016, we entered into the ABL and Term Loan agreements with JPMorgan Chase. Under the terms of the Credit Facility, we have a $125.0 million ABL credit facility and a $300.0 million Term Loan.

Under the ABL agreement, we have a five year credit facility available on a revolving basis, subject to availability under a borrowing base consisting of 85% of eligible accounts receivable and generally 75% of eligible inventory. The line is available for issuance of letters of credit to a specified limit of $10.0 million.

Under the ABL agreement, to determine interest due, we can elect to base the rate on the alternate base rate (prime rate, NYFRB rate or adjusted LIBOR for one-month period) plus 0.5% to 1.0%, depending on the amount of borrowings outstanding, or an adjusted LIBOR rate for a period of one, two, three or six months as selected by us plus 1.50% to 2.0%, depending on the amount of borrowings outstanding. No interest rate was applicable as of May 27, 2017 as the ABL is not drawn as of the end of the fiscal quarter. We also pay a commitment fee equal to 0.375% if the average utilized portion is less than or equal to 50%, or 0.25% if the utilized portion is greater than 50% of availability.

Under the Term Loan agreement, we have a seven year credit facility repayable in quarterly installments in an aggregate amount equal to 1.0% of the original amount of the Term Loan on March 31, June 30 and September 30, 2017; 1.25% each calendar quarter end thereafter; with the balance payable at the end of seven years on November 8, 2023. There are mandatory prepayments for proceeds of new debt, sale of significant assets or subsidiaries and annually for 50% of excess cash flow beginning with Fiscal 2017 (the 50% is subject to step-downs to 25% and 0% if the total net leverage ratio, as defined in the Term Loan agreement, is less than 2.5 to 1.0 and 2.0 to 1.0, respectively, as of the last day of the period). Incremental term loans of up to $125.0 million are available if certain financial ratios and other conditions are met.

Under the Term Loan agreement, to determine interest due, we can elect to base the rate on the alternate base rate (prime rate, NYFRB rate or adjusted LIBOR for one-month period with a floor of 2%) plus 3.50% or an adjusted LIBOR rate (with a floor of 1%) for the interest period selected plus 4.50%. The interest rate as of May 27, 2017, before consideration of the hedge, was 5.6%.

Under the Credit Facility, we are required to enter into a hedging arrangement to effectively fix the LIBOR component of interest cost at the prevailing swap rate with a notional amount of at least 50% of the projected outstanding principal amount of the Term Loan. The hedging arrangement needs to be maintained until the later of 3 years from closing date or the date the leverage ratio is less than 2.0 to 1.0. In accordance with this requirement, we entered into an interest rate swap contract in January 2017 (see Note 5).

The Term Loan agreement includes financial covenants requiring that the fixed charge coverage ratio at the end of any four fiscal quarters be not less than 1.0 to 1.0, defined as consolidated EBITDA (as defined) less capital expenditures (as defined), over fixed charges, generally defined as cash interest, cash income taxes, principal payments on loans, and dividends, and that the senior secured net leverage ratio at the end of each fiscal quarter be not greater than 3.5 to 1.0 prior to the fiscal quarter ending November 24, 2018 and 3.25 to 1.0 for each quarter thereafter, defined generally as the ratio of total secured indebtedness minus cash and permitted investments, to consolidated EBITDA (as defined).

The ABL agreement generally contains similar covenants, and includes restrictions on indebtedness, liens, mergers, consolidations, investments, guarantees, acquisitions, sales of assets, and transactions with affiliates. Dividends, redemptions and other payments on equity are generally limited to $20.0 million in any fiscal year; higher amounts may be paid if the total net leverage ratio does not exceed 3.0 to 1.0. Customary events of default (with customary grace periods, notice and cure periods and thresholds) include payment default, breach of representation in any material respect, breach of covenants, default on material indebtedness, bankruptcy, ERISA violations, material judgments, change in control and termination or invalidity of guaranty or security documents. As of May 27, 2017, we are in compliance with the financial covenants of the Credit Facility agreements.

The ABL and Term Loan are guaranteed by Winnebago Industries, Inc. and all material direct and indirect domestic subsidiaries, and are secured by a security interest in all property of ours, except minor excluded assets.

As of May 27, 2017, $10.1 million of debt issuance costs, net of amortization of $0.9 million, were recorded as a direct deduction from long-term debt, $1.4 million from the current portion and $8.7 million from the long-term portion. Unamortized debt issuance costs of $0.1 million related to the prior Amended Credit Agreement were expensed in the three months ended November 26, 2016.

Aggregate contractual maturities of debt in future fiscal years, are as follows:



(In thousands)		Amount
Year:	2017	$	3,000
	2018	14,250
	2019	15,000
	2020	15,000
	2021	15,000
	2022	15,000
	2023	15,000
	2024	204,750
	Total debt	$	297,000

Employee and Retiree Benefits

9 Months Ended

May 27, 2017

Compensation and Retirement Disclosure [Abstract]

Employee and Retiree Benefits

Deferred compensation and postretirement health care benefits are as follows:



(In thousands)	May 27, 2017			August 27, 2016
Postretirement health care benefit cost	$	—		$	6,346
Non-qualified deferred compensation	16,851			18,003
Executive share option plan liability	1,914			3,341
SERP benefit liability	2,428			2,681
Executive deferred compensation	510			389
Officer stock-based compensation	1,048			763
Total deferred compensation and postretirement health care benefits	22,751			31,523
Less current portion	(3,769		)	(4,574		)
Long-term deferred compensation and postretirement health care benefits	$	18,982		$	26,949

Postretirement Health Care Benefits

Historically, we provided certain health care and other benefits for retired employees hired before April 1, 2001, who had fulfilled eligibility requirements at age 55 with 15 years of continuous service. We used a September 1 measurement date for this plan and our postretirement health care plan was not funded.

In Fiscal 2005, through a plan amendment, we established dollar caps on the amount that we paid for postretirement health care benefits per retiree on an annual basis so that we were not exposed to continued medical inflation. Retirees were required to pay a monthly premium in excess of the employer dollar caps for medical coverage based on years of service and age at retirement. Each year from 2012 to 2015, the employer established dollar caps were reduced by 10% through plan amendments. In 2016, postretirement health care benefits were discontinued for retirees age 65 and over. The plan amendment also included a 10% reduction in employer paid premiums for retirees under age 65. On October 26, 2016, we announced the termination of the remaining postretirement health care benefits to all participants. Beginning January 1, 2017, postretirement health care benefits were discontinued for retirees under age 65. As a result of these amendments, our liability for postretirement health care was reduced as presented in the following table.



Date	Event	Dollar Cap Reduction	Liability Reduction (In thousands)		Amortization Period⁽¹⁾
Fiscal 2005	Established employer dollar caps		$	40,414	11.5	years
January 2012	Reduced employer dollar caps	10%	4,598		7.8	years
January 2013	Reduced employer dollar caps	10%	4,289		7.5	years
January 2014	Reduced employer dollar caps	10%	3,580		7.3	years
January 2015	Reduced employer dollar caps	10%	3,960		7.1	years
January 2016	Reduced employer dollar caps for retirees under age 65; discontinued retiree benefits for retirees age 65 and over	10%	28,596		6.9	years
January 2017 ⁽²⁾	Terminated plan		6,338		0.2	years

⁽¹⁾ Plan amendments were amortized on a straight-line basis over the expected remaining service period of active plan participants.

⁽²⁾ In accordance with ASC 715, the effects of the plan amendment are accounted for at the date the amendment is adopted and has been communicated to plan participants. The effective date for this plan amendment was October 26, 2016.

Net periodic postretirement benefit income consisted of the following components:



	Three Months Ended					Nine Months Ended
(In thousands)	May 27, 2017		May 28, 2016			May 27, 2017			May 28, 2016
Interest cost	$	—	$	58		$	29		$	269
Service cost	—		23			16			86
Amortization of prior service benefit	—		(2,008		)	(40,444		)	(5,728		)
Amortization of net actuarial loss	—		415			15,648			1,197
Net periodic postretirement benefit income	$	—	$	(1,512	)	$	(24,751	)	$	(4,176	)

Payments for postretirement health care	$	—	$	232		$	68		$	738

Shareholders' Equity	9 Months Ended
Shareholders' Equity	May 27, 2017
Stockholders' Equity Note [Abstract]
Shareholders' Equity	Shareholders' Equity Stock-Based Compensation We have a 2014 Omnibus Equity, Performance Award, and Incentive Compensation Plan (as amended, the "Plan") in place as approved by shareholders, which allows us to grant or issue non-qualified stock options, incentive stock options, share awards and other equity compensation to key employees and to non-employee directors. On October 11, 2016 and October 13, 2015 the Human Resources Committee of the Board of Directors granted an aggregate of 97,600 and 204,200 shares, respectively, of restricted common stock to our key employees and non-employee directors under the Plan. The value of the restricted stock award is determined using the intrinsic value method which, in this case, is based on the number of shares granted and the closing price of our common stock on the date of grant. Stock-based compensation expense was $0.7 million and $0.6 million during the third quarters of Fiscal 2017 and 2016, respectively. Stock-based compensation expense was $2.2 million and $1.8 million during the first nine months of Fiscal 2017 and 2016, respectively. Compensation expense is recognized over the requisite service period of the award. Dividends On March 15, 2017, the Board of Directors declared a quarterly cash dividend of $0.10 per share of common stock, which was paid on April 26, 2017 to shareholders of record at the close of business on April 12, 2017. On May 24, 2017, the Board of Directors declared a quarterly cash dividend of $0.10 per share of common stock, payable on July 26, 2017 to shareholders of record at the close of business on July 12, 2017. The accrued dividend was $3.2 million on the accompanying balance sheet as of May 27, 2017. Share Registration As a result of the acquisition of Grand Design, Winnebago agreed to register the 4,586,555 shares of common stock issued to the Summit Sellers and the RDB Sellers pursuant to the terms of a registration rights agreement. Under the registration rights agreement, Winnebago filed a shelf registration statement on January 20, 2017 to register these shares for resale. On April 11, 2017, pursuant to an underwriting agreement dated as of April 5, 2017, by and among Winnebago, the Summit Sellers and Morgan Stanley & Co., LLC, the Summit Sellers sold 2,293,277 shares of common stock in an underwritten block trade.

- Definition

The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income.

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+ Details

Contingent Liabilites and Commitments

9 Months Ended

May 27, 2017

Commitments and Contingencies Disclosure [Abstract]

Contingent Liabilities and Commitments

Repurchase Commitments

Generally, manufacturers in the RV industry enter into repurchase agreements with lending institutions which have provided wholesale floorplan financing to dealers. Most dealers' RVs are financed on a "floorplan" basis under which a bank or finance company lends the dealer all, or substantially all, of the purchase price, collateralized by a security interest in the RVs purchased.

Our repurchase agreements provide that, in the event of default by the dealer on the agreement to pay the lending institution, we will repurchase the financed merchandise. The terms of these agreements, which generally can last up to 18 months, provide that our liability will be the lesser of remaining principal owed by the dealer to the lending institution, or dealer invoice less periodic reductions based on the time since the date of the original invoice. In certain instances, we also repurchase inventory from our dealers due to state law or regulatory requirements that govern voluntary or involuntary relationship terminations. Although laws vary from state to state, some states have laws in place that require manufacturers of RVs to repurchase current inventory if a dealership exits the business. Our total contingent liability on all repurchase agreements and due to state law or regulatory requirements was approximately $749.2 million and $417.2 million at May 27, 2017 and August 27, 2016, respectively, with the increase attributed primarily to Grand Design.

Our risk of loss related to our repurchase commitments is significantly reduced by the potential resale value of any products that are subject to repurchase and is spread over numerous dealers and lenders although two dealer organizations account for approximately 22% of our revenues in the first nine months of Fiscal 2017. The aggregate contingent liability related to our repurchase agreements represents all financed dealer inventory at the period reporting date subject to a repurchase agreement, net of the greater of periodic reductions per the agreement or dealer principal payments. Based on the repurchase exposure as previously described and our historical loss experience, we established an associated loss reserve. Our accrued losses on repurchases were $1.0 million as of May 27, 2017 and $0.9 million as of August 27, 2016 and are included in Accrued expenses - Other on the Consolidated Balance Sheets. Repurchase risk is affected by the credit worthiness of our dealer network and we do not believe there is a reasonable likelihood that there will be a material change in the estimates or assumptions used to establish the loss reserve for repurchase commitments.

A summary of repurchase activity is as follows:



	Three Months Ended				Nine Months Ended
(In thousands)	May 27, 2017		May 28, 2016		May 27, 2017		May 28, 2016
Inventory repurchased	$	408	$	445	$	408	$	445
Cash collected on resold inventory	$	370	$	—	$	393	$	36
Loss (gain) realized on resold inventory	$	38	$	—	$	44	$	(1	)

Litigation

We are involved in various legal proceedings which are ordinary litigation incidental to our business, some of which are covered in whole or in part by insurance. While we believe the ultimate disposition of litigation will not have material adverse effect on our financial position, results of operations or liquidity, there exists the possibility that such litigation may have an impact on our results for a particular reporting period in which litigation effects become probable and reasonably estimable. Though we do not believe there is a reasonable likelihood that there will be a material change related to these matters, litigation is subject to inherent uncertainties and management’s view of these matters may change in the future.

In May 2016, Winnebago was awarded a favorable settlement of $2.75 million that was recorded within general and administrative expense in the third quarter of Fiscal 2016.

Lease Commitments

As part of our acquisition of Grand Design, we acquired leases to two properties which hold Grand Design’s current principal facilities, and facilities under construction for expansion. The lessor under these leases is an Indiana limited liability company, Three Oaks, LLC, owned by three of Grand Design's selling equity holders. One of the selling equity holders, Mr. Don Clark, has assumed the position of Vice President for Winnebago and is the President of Grand Design. Upon joining our company, Mr. Clark has agreed that as long as he is an employee of Grand Design he has relinquished his voting rights in Three Oaks, LLC while retaining all other economic rights in Three Oaks, LLC.

Our future lease commitments included these related party leases as well as a non-related party lease of an office facility as follows:



(In thousands)		Related Party Amount		Non-related Party Amount		Total
Year Ended:	2017	$	479	$	112	$	591
	2018	1,897		477		2,374
	2019	1,800		505		2,305
	2020	1,800		518		2,318
	2021	1,800		523		2,323
	Thereafter	8,374		766		9,140
	Total	$	16,150	$	2,901	$	19,051

No other significant changes have been made to lease commitments disclosed in our Form 10-K for the year ended August 27, 2016.

Income Taxes	9 Months Ended
Income Taxes	May 27, 2017
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes We account for income taxes under ASC 740, Income Taxes. The objectives of accounting for income taxes are to recognize the amount of taxes payable or refundable for the current year and deferred tax liabilities and assets for the future tax consequences of events that have been recognized in our financial statements or tax returns. We file a US federal tax return, as well as returns in various international and state jurisdictions. Although certain years are no longer subject to examination by the IRS and various state taxing authorities, net operating loss carryforwards generated in those years may still be adjusted upon examination by the IRS or state taxing authorities. As of May 27, 2017, our federal returns from Fiscal 2014 to present continue to be subject to review by the IRS. With few exceptions, the state returns from Fiscal 2009 to present continue to be subject to review by the state taxing jurisdictions. As of May 27, 2017, our unrecognized tax benefits were $1.8 million including accrued interest and penalties of $0.5 million. If we were to prevail on all unrecognized tax benefits recorded, $1.3 million of the $1.8 million would benefit the overall effective tax rate. It is our policy to recognize interest and penalties accrued relative to unrecognized tax benefits as tax expense. We do not believe that there will be a significant change in the total amount of unrecognized tax benefits within the next twelve months.

Earnings Per Share

9 Months Ended

May 27, 2017

Earnings Per Share [Abstract]

Earnings Per Share

The following table reflects the calculation of basic and diluted net income per share:



	Three Months Ended				Nine Months Ended
(In thousands, except per share data)	May 27, 2017		May 28, 2016		May 27, 2017		May 28, 2016
Income per share - basic
Net income	$	19,391	$	14,438	$	46,407	$	32,350
Weighted average shares outstanding	31,587		26,892		30,333		26,935
Net income per share - basic	$	0.61	$	0.54	$	1.53	$	1.20

Income per share - assuming dilution
Net income	$	19,391	$	14,438	$	46,407	$	32,350
Weighted average shares outstanding	31,587		26,892		30,333		26,935
Dilutive impact of awards and options outstanding	104		112		115		94
Weighted average shares and potential dilutive shares outstanding	31,691		27,004		30,448		27,029
Net income per share - assuming dilution	$	0.61	$	0.53	$	1.52	$	1.20

The computation of weighted average shares and potential dilutive shares outstanding excludes the effect of options to purchase 61,000 and 10,000 shares of common stock at May 27, 2017 and May 28, 2016, respectively. These amounts were not included in the computation of diluted income per share because they are considered anti-dilutive under the treasury stock method per ASC 260, Earnings Per Share.

Accumulated Other Comprehensive Income (Loss)

9 Months Ended

May 27, 2017

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Accumulated Other Comprehensive Income (Loss)

Comprehensive Income (Loss)

Changes in AOCI by component, net of tax, were:



	Three Months Ended
	May 27, 2017									May 28, 2016
(In thousands)	Defined Benefit Pension Items			Interest Rate Swap			Total			Defined Benefit Pension Items			Interest Rate Swap		Total
Balance at beginning of period	$	(461	)	$	(439	)	$	(900	)	$	13,616		$	—	$	13,616

OCI before reclassifications	—			(58		)	(58		)	—			—		—
Amounts reclassified from AOCI	6			—			6			(983		)	—		(983		)
Net current-period OCI	6			(58		)	(52		)	(983		)	—		(983		)

Balance at end of period	$	(455	)	$	(497	)	$	(952	)	$	12,633		$	—	$	12,633



	Nine Months Ended
	May 27, 2017									May 28, 2016
(In thousands)	Defined Benefit Pension Items			Interest Rate Swap			Total			Defined Benefit Pension Items			Interest Rate Swap		Total
Balance at beginning of period	$	10,975		$	—		$	10,975		$	(2,274	)	$	—	$	(2,274	)

OCI before reclassifications	3,903			(497		)	3,406			17,701			—		17,701
Amounts reclassified from AOCI	(15,333		)	—			(15,333		)	(2,794		)	—		(2,794		)
Net current-period OCI	(11,430		)	(497		)	(11,927		)	14,907			—		14,907

Balance at end of period	$	(455	)	$	(497	)	$	(952	)	$	12,633		$	—	$	12,633

Reclassifications out of AOCI in net periodic benefit costs, net of tax, were:



		Three Months Ended					Nine Months Ended
(In thousands)	Location on Consolidated Statements of Income and Comprehensive Income	May 27, 2017		May 28, 2016			May 27, 2017			May 28, 2016
Amortization of prior service credit	Operating expenses	$	—	$	(1,243	)	(25,035		)	(3,545		)
Amortization of net actuarial loss	Operating expenses	6		260			9,702			751
Total reclassifications		$	6	$	(983	)	$	(15,333	)	$	(2,794	)

- Definition

The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income.

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+ Details

Basis of Presentation (Policies)	9 Months Ended
Basis of Presentation (Policies)	May 27, 2017
Accounting Policies [Abstract]
Fiscal Period [Policy Text Block]	Fiscal Period We follow a 52-/53-week fiscal year, ending the last Saturday in August. Both Fiscal 2017 and Fiscal 2016 are 52-week years.
Goodwill and Indefinite-Lived Intangible Assets [Policy Text Block]	Goodwill and Indefinite-Lived Intangible Asset Goodwill resulted primarily from the Grand Design business combination and represents the excess of the purchase price over the fair value of tangible assets and identifiable intangible assets and liabilities assumed. Annually in the fourth quarter, or if conditions indicate an interim review is necessary, we assess qualitative factors to determine if it is more likely than not that the fair value of a reporting unit is less than its carrying amount and if it is necessary to perform the quantitative two-step goodwill impairment test. If we perform the quantitative test, we compare the carrying value of the reporting unit to an estimate of the reporting unit’s fair value to identify potential impairment. The estimate of the reporting unit’s fair value is determined by weighting a discounted cash flow model and a market-related model using current industry information that involve significant unobservable inputs (Level 3 inputs). In determining the estimated future cash flow, we consider and apply certain estimates and judgments, including current and projected future levels of income based on management’s plans, business trends, prospects and market and economic conditions and market-participant considerations. If the estimated fair value of the reporting unit is less than the carrying value, a second step is performed to determine the amount of the potential goodwill impairment. If impaired, goodwill is written down to its estimated implied fair value. As of May 27, 2017, we had an indefinite-lived intangible asset for the trade name of $148.0 million, from the Grand Design acquisition. Annually in the fourth quarter, or if conditions indicate an interim review is necessary, we assess qualitative factors to determine if it is more likely than not that the fair value of an indefinite-lived intangible asset is less than its carrying amount. If we perform a quantitative test, projections regarding estimated discounted future cash flows and other factors are made to determine if impairment has occurred. These assumptions require significant judgment and actual results may differ from assumed and estimated amounts. If we conclude that there has been impairment, we will write down the carrying value of the asset to its fair value.
Other Intangible and Long-Lived Assets [Policy Text Block]	Other Intangible and Long-Lived Assets Long-lived assets, which include property, plant and equipment, and definite-lived intangible assets, primarily the dealer network, are assessed for impairment whenever events or changes in circumstances indicate the carrying amount of the asset may not be recoverable. The impairment testing involves comparing the carrying amount of the asset to the forecasted undiscounted future cash flows generated by that asset. These assumptions require significant judgment and actual results may differ from assumed and estimated amounts. In the event the carrying amount of the asset exceeds the undiscounted future cash flows generated by that asset and the carrying amount is not considered recoverable, an impairment exists. An impairment loss is measured as the excess of the asset’s carrying amount over its fair value and is recognized in the statement of income in the period that the impairment occurs. The dealer network is amortized over its estimated useful life of 12 years. The reasonableness of the useful lives of this asset and other long-lived assets is regularly evaluated. There was no impairment loss for the period ended May 27, 2017 for goodwill, indefinite- or definite-lived intangible assets, or long-lived assets.
Debt Issuance Costs [Policy Text Block]	Debt Issuance Costs We amortize debt issuance costs on a straight-line basis (which is not materially different from an effective interest method) over the term of the associated debt agreement. If early principal payments are made on the Term Loan, a proportional portion of the unamortized issuance costs will be expensed. We incurred $0 and $0.8 million of costs in the three months and the nine months ended May 27, 2017, respectively, related to our revolving credit agreement that are being amortized on a straight-line basis over the five year term of the agreement. We incurred $0 and $10.2 million of costs in the three months and the nine months ended May 27, 2017, respectively, related to the Term Loan that are being amortized on a straight-line basis over the seven year term of the agreement.
Derivatives [Policy Text Block]	Derivative Instruments We use derivative instruments to hedge our floating interest rate exposure. Derivative instruments are accounted for at fair value in accordance with ASC Topic 815, Derivatives and Hedging. We have designated these derivatives as cash flow hedges for accounting purposes. Changes in fair value, for the effective portion of qualifying hedges, are recorded in OCI. We review the effectiveness of our hedging instruments on a quarterly basis, recognize current period hedge ineffectiveness immediately in earnings, and discontinue hedge accounting for any hedge that we no longer consider to be highly effective.
New Accounting Pronouncements [Policy Text Block]	Recently Adopted Accounting Pronouncements In April 2015, the FASB issued ASU 2015-03, Interest - Imputation of Interest (Topic 835), which requires that debt issuance costs related to a recognized debt liability be presented in the balance sheet as a direct deduction from the carrying amount of that debt liability. We adopted the standard during the first quarter of Fiscal 2017 and, accordingly, have presented unamortized debt issuance costs as a direct reduction allocated between Current maturities of long-term debt and Long-term debt, less current maturities on the Consolidated Balance Sheet as of May 27, 2017. In September 2015, the FASB issued ASU 2015-16, Business Combinations (Topic 805), to simplify the accounting for measurement-period adjustments in a business combination. Under the new standard, an acquirer must recognize adjustments to provisional amounts in a business combination in the reporting period in which the adjustment amounts are determined, rather than retrospectively adjusting the provisional amounts recognized at the acquisition date with a corresponding adjustment to goodwill as under current guidance. ASU 2015-16 is effective prospectively for fiscal years, and the interim periods within those years, beginning after December 15, 2015 (our Fiscal 2017). We adopted this standard on August 28, 2016 and have accounted for all adjustments to provisional amounts in accordance with this guidance. New Accounting Pronouncements In May 2014, the FASB issued ASU 2014-09, Revenue from Contracts with Customers (Topic 606), which establishes a comprehensive new model for the recognition of revenue from contracts with customers. This model is based on the core principle that revenue should be recognized to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. Entities have the option of using either retrospective transition or a modified approach in applying the new standard. The standard is effective for fiscal years, and the interim periods within those years, beginning after December 15, 2017 (our Fiscal 2019). We are currently evaluating the approach we will use to apply the new standard and the impact adopting this ASU will have on our consolidated financial statements. This evaluation will include a review of representative contracts with key customers and the performance obligations contained therein, as well as a review of our commercial terms and practices across each of our segments. In July 2015, the FASB issued ASU 2015-11, Inventory (Topic 330), which requires inventory measured using any method other than last-in, first-out (“LIFO”) or the retail inventory method to be subsequently measured at the lower of cost or net realizable value, rather than at the lower of cost or market. Under this ASU, subsequent measurement of inventory using the LIFO and retail inventory method is unchanged. ASU 2015-11 will become effective prospectively for fiscal years beginning after December 15, 2016 (our Fiscal 2018). We are currently evaluating the impact of adopting this ASU on our consolidated financial statements and do not expect adoption to have a material impact. In February 2016, the FASB issued ASU 2016-02, Leases (Topic 842), which requires an entity to recognize both assets and liabilities arising from financing and operating leases, along with additional qualitative and quantitative disclosures. The new standard is effective retrospectively or on a modified retrospective basis for fiscal years beginning after December 15, 2018 (our Fiscal 2020), including interim periods within those annual reporting periods. Early adoption is permitted. We are currently evaluating the impact of adopting this ASU on our consolidated financial statements. In March 2016, the FASB issued ASU 2016-09, Improvements to Employee Share-Based Payment Accounting (Topic 718), which simplifies several aspects of the accounting for employee share-based payment transactions, including the accounting for the related income taxes, forfeitures, statutory tax withholding requirements and classification in the statement of cash flows. ASU 2016-09 is effective for annual reporting periods beginning after December 15, 2016 (our Fiscal 2018), including interim periods within those annual reporting periods. Early adoption is permitted. We are currently evaluating the impact of adopting this ASU on our consolidated financial statements and do not expect adoption to have a material impact. In August 2016, the FASB issued ASU 2016-15, Classification of Certain Cash Receipts and Cash Payments (Topic 230), which provides guidance for eight specific cash flow issues with the objective of reducing the existing diversity in practice. ASU 2016-15 is effective retrospectively for annual reporting periods beginning after December 15, 2017 (our Fiscal 2019), including interim periods within those annual reporting periods. Early adoption is permitted. We are currently evaluating the impact of adopting this ASU on our consolidated financial statements and do not expect adoption to have a material impact. In January 2017, the FASB issued ASU 2017-04, Simplifying the Test for Goodwill Impairment (Topic 350), which eliminates the requirement to calculate the implied fair value of goodwill to measure a goodwill impairment change. ASU 2017-04 is effective prospectively for fiscal years, and the interim periods within those years, beginning after December 15, 2019 (our Fiscal 2021). We are currently evaluating the impact of adopting this ASU on our consolidated financial statements and do not expect adoption to have a material impact.
Subsequent Events [Policy Text Block]	Subsequent Events In preparing the accompanying condensed consolidated financial statements, we evaluated the period from May 28, 2017 through the date the financial statements were issued, for material subsequent events requiring recognition or disclosure. No such events were identified for this period.

Business Combination, Goodwill and Other Intangible Assets (Tables)

9 Months Ended

May 27, 2017

Business Combinations [Abstract]

Schedule of Business Acquisitions, by Acquisition [Table Text Block]

The preliminary allocation of the purchase price to assets acquired and liabilities assumed is as follows:



(in thousands)	November 8, 2016
Cash	$	1,748
Accounts receivable	32,834
Inventories	15,300
Prepaid expenses and other assets	2,593
Property, plant and equipment	8,998
Goodwill	244,164
Other intangible assets	253,100
Total assets acquired	558,737

Accounts payable	11,163
Accrued compensation	3,615
Product warranties	12,904
Promotional	3,976
Other	1,569
Deferred tax liabilities	5,002
Total liabilities assumed	38,229

Total purchase price	$	520,508



(In thousands, except shares)	November 8, 2016
Cash	$	396,442
Winnebago shares: 4,586,555 at $27.05 per share	124,066
Total	$	520,508

Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block]



(in thousands)	Weighted Average Life- Years	Fair Value Amount			Accumulated Amortization
Trade name	Indefinite	$	148,000		$	—
Dealer network	12.0	80,500			3,676
Backlog	0.5	18,000			18,000
Non-compete agreements	4.0	4,600			767
Leasehold interest-favorable	8.1	2,000			135
Total		253,100			$	22,578
Accumulated amortization		(22,578		)
Net book value of intangible assets		$	230,522

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Remaining estimated aggregate annual amortization expense by fiscal year is as follows:



(in thousands)	Amount
Remainder of 2017	$	2,082
2018	7,854
2019	7,733
2020	7,733
2021	7,733
2022	7,106
Thereafter	42,281

Business Acquisition, Pro Forma Information [Table Text Block]

Unaudited pro forma information is as follows:



	Three Months Ended				Nine Months Ended
(In thousands, except per share data)	May 27, 2017		May 28, 2016		May 27, 2017		May 28, 2016
Net revenues	$	476,364	$	402,511	$	1,187,849	$	1,022,249
Net income	24,856		21,064		66,009		29,221
Income per share - basic	0.79		0.67		2.09		0.93
Income per share - diluted	0.78		0.67		2.08		0.92



	Three Months Ended					Nine Months Ended
(In thousands)	May 27, 2017			May 28, 2016		May 27, 2017			May 28, 2016
Amortization of intangibles (1 year or less useful life)	$	(8,225	)	$	1,579	$	(18,601	)	$	18,722
Increase in amortization of intangibles	—			1,933		1,551			5,799
Expenses related to business combination (transaction costs) ⁽¹⁾	(450		)	450		(6,432		)	6,753
Interest to reflect new debt structure	—			4,884		3,672			14,779
Taxes related to the adjustments to the pro forma data and to the income of Grand Design	3,210			3,892		11,513			(1,838		)

⁽¹⁾ Pro forma transaction costs include $0.1 million incurred by Grand Design prior to acquisition.

The following table provides net revenues and operating income (which includes amortization expense) from the Grand Design business included in our consolidated results during the nine months ended May 27, 2017 following the November 8, 2016 closing date:



	Nine Months Ended
(in thousands)	May 27, 2017
Net revenues	$	366,309
Operating income	27,083

Business Segments (Tables)

9 Months Ended

May 27, 2017

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

The following table shows information by reporting segment:



	Three Months Ended				Nine Months Ended
(In thousands)	May 27, 2017		May 28, 2016		May 27, 2017		May 28, 2016
Net revenues
Motorized	$	241,670	$	246,684	$	635,732	$	649,162
Towable	234,694		25,393		456,451		62,810
Consolidated	$	476,364	$	272,077	$	1,092,183	$	711,972

Adjusted EBITDA
Motorized	$	12,598	$	16,218	$	31,738	$	39,683
Towable	34,730		1,512		59,340		4,134
Consolidated	$	47,328	$	17,730	$	91,078	$	43,817

Capital Expenditures
Motorized	$	1,527	$	3,498	$	6,626	$	19,364
Towable	1,275		73		3,114		564
Consolidated	$	2,802	$	3,571	$	9,740	$	19,928

Total Assets
Motorized	$	319,912	$	354,481	$	319,912	$	354,481
Towable	570,439		25,556		570,439		25,556
Consolidated	$	890,351	$	380,037	$	890,351	$	380,037

Reconciliation of net income to consolidated Adjusted EBITDA:



	Three Months Ended						Nine Months Ended
(In thousands)	May 27, 2017			May 28, 2016			May 27, 2017			May 28, 2016
Net income	$	19,391		$	14,438		$	46,407		$	32,350
Interest expense	5,265			—			11,571			—
Provision for income taxes	10,258			6,232			23,794			14,699
Depreciation	1,859			1,480			5,287			4,243
Amortization of intangible assets	10,159			—			22,578			—
EBITDA	46,932			22,150			109,637			51,292
Postretirement health care benefit income	—			(1,593		)	(24,796		)	(4,531		)
Legal settlement	—			(2,750		)	—			(2,750		)
Transaction costs	450			—			6,374			—
Non-operating income	(54		)	(77		)	(137		)	(194		)
Adjusted EBITDA	$	47,328		$	17,730		$	91,078		$	43,817

Derivatives, Investments and Fair Value Measurements (Tables)

9 Months Ended

May 27, 2017

Fair Value Disclosures [Abstract]

Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]



				Fair Value Measurements Using Inputs Considered As
(In thousands)	Fair Value at May 27, 2017			Level 1 Quoted Prices in Active Markets for Identical Assets		Level 2 Significant Other Observable Inputs			Level 3 Significant Unobservable Inputs
Cash equivalents ⁽¹⁾	$	—		$	—	$	—		$	—
Assets that fund deferred compensation:
Domestic equity funds	2,178			2,085		93			—
International equity funds	208			165		43			—
Fixed income funds	220			138		82			—
Interest rate swap contract	(802		)	—		(802		)	—
Total assets (liabilities) at fair value	$	1,804		$	2,388	$	(584	)	$	—



			Fair Value Measurements Using Inputs Considered As
(In thousands)	Fair Value at August 27, 2016		Level 1 Quoted Prices in Active Markets for Identical Assets		Level 2 Significant Other Observable Inputs		Level 3 Significant Unobservable Inputs
Cash equivalents ⁽¹⁾	$	77,234	$	77,234	$	—	$	—
Assets that fund deferred compensation:
Domestic equity funds	3,587		3,515		72		—
International equity funds	258		225		33		—
Fixed income funds	265		206		59		—
Interest rate swap contract	—		—		—		—
Total assets at fair value	$	81,344	$	81,180	$	164	$	—


⁽¹⁾	Cash equivalent balances valued using Level 1 inputs include only those accounts that may fluctuate in value. Cash in disbursing accounts and on-demand accounts are not included above.

Inventories (Tables)

9 Months Ended

May 27, 2017

Inventory Disclosure [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventories consist of the following:



(In thousands)	May 27, 2017			August 27, 2016
Finished goods	$	13,857		$	19,129
Work-in-process	75,727			76,350
Raw materials	89,433			60,740
Total	179,017			156,219
LIFO reserve	(34,595		)	(33,697		)
Total inventories	$	144,422		$	122,522

Property, Plant and Equipment (Tables)

9 Months Ended

May 27, 2017

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment [Table Text Block]

Property, plant and equipment is stated at cost, net of accumulated depreciation and consists of the following:



(In thousands)	May 27, 2017			August 27, 2016
Land	$	3,864		$	3,864
Buildings and building improvements	71,655			62,073
Machinery and equipment	99,394			95,087
Software	17,672			15,878
Transportation	8,981			8,956
Total property, plant and equipment, gross	201,566			185,858
Less accumulated depreciation	(132,910		)	(129,927		)
Total property, plant and equipment, net	$	68,656		$	55,931

Warranty (Tables)

9 Months Ended

May 27, 2017

Product Warranties Disclosures [Abstract]

Schedule of Product Warranty Liability [Table Text Block]

Changes in our product warranty liability are as follows:



	Three Months Ended						Nine Months Ended
(In thousands)	May 27, 2017			May 28, 2016			May 27, 2017			May 28, 2016
Balance at beginning of period	$	25,030		$	11,727		$	12,412		$	11,254
Provision	10,202			4,844			21,832			12,311
Claims paid	(7,176		)	(4,660		)	(19,092		)	(11,654		)
Acquisition of Grand Design	—			—			12,904			—
Balance at end of period	$	28,056		$	11,911		$	28,056		$	11,911

Long-Term Debt (Tables)

9 Months Ended

May 27, 2017

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments

The components of long-term debt are as follows:



(In thousands)	May 27, 2017			August 27, 2016
ABL	$	—		$	—
Term Loan	297,000			—
	297,000			—
Less: debt issuance cost, net	(10,131		)	—
	286,869			—
Less: current maturities	(12,051		)	—
Long-term debt, less current maturities	$	274,818		$	—

Schedule of Maturities of Long-term Debt

Aggregate contractual maturities of debt in future fiscal years, are as follows:



(In thousands)		Amount
Year:	2017	$	3,000
	2018	14,250
	2019	15,000
	2020	15,000
	2021	15,000
	2022	15,000
	2023	15,000
	2024	204,750
	Total debt	$	297,000

- Definition

Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(e),(f))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21538-112644

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21506-112644

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28541-108399

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21521-112644

+ Details

Employee and Retiree Benefits (Tables)

9 Months Ended

May 27, 2017

Compensation and Retirement Disclosure [Abstract]

Schedule of Amounts Recognized in Balance Sheet [Table Text Block]

eferred compensation and postretirement health care benefits are as follows:



(In thousands)	May 27, 2017			August 27, 2016
Postretirement health care benefit cost	$	—		$	6,346
Non-qualified deferred compensation	16,851			18,003
Executive share option plan liability	1,914			3,341
SERP benefit liability	2,428			2,681
Executive deferred compensation	510			389
Officer stock-based compensation	1,048			763
Total deferred compensation and postretirement health care benefits	22,751			31,523
Less current portion	(3,769		)	(4,574		)
Long-term deferred compensation and postretirement health care benefits	$	18,982		$	26,949

Schedule of Postretirement Plan Amendments [Table Text Block]



Date	Event	Dollar Cap Reduction	Liability Reduction (In thousands)		Amortization Period⁽¹⁾
Fiscal 2005	Established employer dollar caps		$	40,414	11.5	years
January 2012	Reduced employer dollar caps	10%	4,598		7.8	years
January 2013	Reduced employer dollar caps	10%	4,289		7.5	years
January 2014	Reduced employer dollar caps	10%	3,580		7.3	years
January 2015	Reduced employer dollar caps	10%	3,960		7.1	years
January 2016	Reduced employer dollar caps for retirees under age 65; discontinued retiree benefits for retirees age 65 and over	10%	28,596		6.9	years
January 2017 ⁽²⁾	Terminated plan		6,338		0.2	years

⁽¹⁾ Plan amendments were amortized on a straight-line basis over the expected remaining service period of active plan participants.

Schedule of Net Benefit Costs [Table Text Block]

Net periodic postretirement benefit income consisted of the following components:



	Three Months Ended					Nine Months Ended
(In thousands)	May 27, 2017		May 28, 2016			May 27, 2017			May 28, 2016
Interest cost	$	—	$	58		$	29		$	269
Service cost	—		23			16			86
Amortization of prior service benefit	—		(2,008		)	(40,444		)	(5,728		)
Amortization of net actuarial loss	—		415			15,648			1,197
Net periodic postretirement benefit income	$	—	$	(1,512	)	$	(24,751	)	$	(4,176	)

Payments for postretirement health care	$	—	$	232		$	68		$	738

Contingent Liabilites and Commitments (Tables)

9 Months Ended

May 27, 2017

Commitments and Contingencies Disclosure [Abstract]

Schedule of Repurchase Agreements [Table Text Block]

purchase activity is as follows:



	Three Months Ended				Nine Months Ended
(In thousands)	May 27, 2017		May 28, 2016		May 27, 2017		May 28, 2016
Inventory repurchased	$	408	$	445	$	408	$	445
Cash collected on resold inventory	$	370	$	—	$	393	$	36
Loss (gain) realized on resold inventory	$	38	$	—	$	44	$	(1	)

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

Our future lease commitments included these related party leases as well as a non-related party lease of an office facility as follows:



(In thousands)		Related Party Amount		Non-related Party Amount		Total
Year Ended:	2017	$	479	$	112	$	591
	2018	1,897		477		2,374
	2019	1,800		505		2,305
	2020	1,800		518		2,318
	2021	1,800		523		2,323
	Thereafter	8,374		766		9,140
	Total	$	16,150	$	2,901	$	19,051

Earnings Per Share (Tables)

9 Months Ended

May 27, 2017

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

The following table reflects the calculation of basic and diluted net income per share:



	Three Months Ended				Nine Months Ended
(In thousands, except per share data)	May 27, 2017		May 28, 2016		May 27, 2017		May 28, 2016
Income per share - basic
Net income	$	19,391	$	14,438	$	46,407	$	32,350
Weighted average shares outstanding	31,587		26,892		30,333		26,935
Net income per share - basic	$	0.61	$	0.54	$	1.53	$	1.20

Income per share - assuming dilution
Net income	$	19,391	$	14,438	$	46,407	$	32,350
Weighted average shares outstanding	31,587		26,892		30,333		26,935
Dilutive impact of awards and options outstanding	104		112		115		94
Weighted average shares and potential dilutive shares outstanding	31,691		27,004		30,448		27,029
Net income per share - assuming dilution	$	0.61	$	0.53	$	1.52	$	1.20

Accumulated Other Comprehensive Income (Loss) (Tables)

9 Months Ended

May 27, 2017

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

Changes in AOCI by component, net of tax, were:



	Three Months Ended
	May 27, 2017									May 28, 2016
(In thousands)	Defined Benefit Pension Items			Interest Rate Swap			Total			Defined Benefit Pension Items			Interest Rate Swap		Total
Balance at beginning of period	$	(461	)	$	(439	)	$	(900	)	$	13,616		$	—	$	13,616

OCI before reclassifications	—			(58		)	(58		)	—			—		—
Amounts reclassified from AOCI	6			—			6			(983		)	—		(983		)
Net current-period OCI	6			(58		)	(52		)	(983		)	—		(983		)

Balance at end of period	$	(455	)	$	(497	)	$	(952	)	$	12,633		$	—	$	12,633



	Nine Months Ended
	May 27, 2017									May 28, 2016
(In thousands)	Defined Benefit Pension Items			Interest Rate Swap			Total			Defined Benefit Pension Items			Interest Rate Swap		Total
Balance at beginning of period	$	10,975		$	—		$	10,975		$	(2,274	)	$	—	$	(2,274	)

OCI before reclassifications	3,903			(497		)	3,406			17,701			—		17,701
Amounts reclassified from AOCI	(15,333		)	—			(15,333		)	(2,794		)	—		(2,794		)
Net current-period OCI	(11,430		)	(497		)	(11,927		)	14,907			—		14,907

Balance at end of period	$	(455	)	$	(497	)	$	(952	)	$	12,633		$	—	$	12,633

Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]

Reclassifications out of AOCI in net periodic benefit costs, net of tax, were:



		Three Months Ended					Nine Months Ended
(In thousands)	Location on Consolidated Statements of Income and Comprehensive Income	May 27, 2017		May 28, 2016			May 27, 2017			May 28, 2016
Amortization of prior service credit	Operating expenses	$	—	$	(1,243	)	(25,035		)	(3,545		)
Amortization of net actuarial loss	Operating expenses	6		260			9,702			751
Total reclassifications		$	6	$	(983	)	$	(15,333	)	$	(2,794	)

Basis of Presentation Accounting Policiies (Details) - USD ($) $ in Thousands		3 Months Ended	9 Months Ended
	Nov. 08, 2016	May 27, 2017	May 27, 2017	May 28, 2016
Intangible Assets, Debt Issuance Costs and New Accounting Pronouncements [Line Items]
Payments of Debt Issuance Costs			$ 11,020	$ 0
ABL \| JPMorgan Chase [Member] \| Line of Credit [Member]
Intangible Assets, Debt Issuance Costs and New Accounting Pronouncements [Line Items]
Payments of Debt Issuance Costs		$ 0	800
Debt instrument, term	5 years
Term Loan \| JPMorgan Chase [Member] \| Line of Credit [Member]
Intangible Assets, Debt Issuance Costs and New Accounting Pronouncements [Line Items]
Payments of Debt Issuance Costs		$ 0	$ 10,200
Debt instrument, term	7 years
Trade name [Member] \| Grand Design [Member]
Intangible Assets, Debt Issuance Costs and New Accounting Pronouncements [Line Items]
Fair value of indefinite-lived intangible assets acquired	$ 148,000
Dealer network [Member] \| Grand Design [Member]
Intangible Assets, Debt Issuance Costs and New Accounting Pronouncements [Line Items]
Acquired finite-lived intangible assets, weighted average life	12 years

Business Combination, Goodwill and Other Intangible Assets - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended		12 Months Ended
	May 27, 2017	Aug. 27, 2016	May 28, 2016	May 27, 2017	May 28, 2016	May 27, 2017	Nov. 08, 2016
Business Acquisition [Line Items]
Percent of voting interest acquired							10.66%
Goodwill	$ 245,393	$ 1,228		$ 245,393		$ 245,393
Amortization of intangible assets	10,159		$ 0	$ 22,578	$ 0
Finite-lived intangible assets, remaining amortization period				11 years 7 months 6 days
Acquisition related costs	$ 450		$ 0	$ 6,374	$ 0
Grand Design [Member]
Business Acquisition [Line Items]
Member interest held							10.66%
Grand Design [Member]
Business Acquisition [Line Items]
Revenue since acquisition				366,309
Operating income since acquisition				$ 27,083
Percent of voting interest acquired							100.00%
Deferred tax liabilities, net							$ 8,500
Goodwill							$ 244,164
Acquisition related costs		$ 300				$ 6,700
Grand Design Member Interest [Member]
Business Acquisition [Line Items]
Percent of voting interest acquired							89.34%
Blocker Corp [Member]
Business Acquisition [Line Items]
Percent of voting interest acquired							100.00%

Business Combination, Goodwill and Other Intangible Assets (Details) - Grand Design [Member] $ / shares in Units, $ in Thousands	Nov. 08, 2016 USD ($) $ / shares shares
Business Acquisition [Line Items]
Cash	$ 396,442
Winnebago shares: 4,586,555 at $27.05 per share	124,066
Total	$ 520,508
Shares issued for acquisition \| shares	4,586,555
Share price (in dollars per share) \| $ / shares	$ 27.05

Business Combination, Goodwill and Other Intangible Assets - Purchase Price Allocation (Details) - USD ($) $ in Thousands	May 27, 2017	Nov. 08, 2016	Aug. 27, 2016
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets [Abstract]
Goodwill	$ 245,393		$ 1,228
Grand Design [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets [Abstract]
Cash		$ 1,748
Accounts receivable		32,834
Inventories		15,300
Prepaid expenses and other assets		2,593
Property, plant and equipment		8,998
Goodwill		244,164
Other intangible assets		253,100
Total assets acquired		558,737
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities [Abstract]
Accounts payable		11,163
Accrued compensation		3,615
Product warranties		12,904
Promotional		3,976
Other		1,569
Deferred tax liabilities		5,002
Total liabilities assumed		38,229
Total purchase price		$ 520,508

Business Combination, Goodwill and Other Intangible Assets - Intangible Assets Acquired (Details) - USD ($) $ in Thousands	Nov. 08, 2016	May 27, 2017
Acquired Indefinite-lived Intangible Assets [Line Items]
Accumulated amortization		$ 22,578
Accumulated amortization		(22,578)
Grand Design [Member]
Acquired Indefinite-lived Intangible Assets [Line Items]
Accumulated amortization		(22,578)
Fair value of intangible assets acquired	$ 253,100
Accumulated amortization		22,578
Intangible assets, net		230,522
Grand Design [Member] \| Trade name [Member]
Acquired Indefinite-lived Intangible Assets [Line Items]
Fair value of indefinite-lived intangible assets acquired	$ 148,000
Dealer network [Member] \| Grand Design [Member]
Acquired Indefinite-lived Intangible Assets [Line Items]
Acquired finite-lived intangible assets, weighted average life	12 years
Fair value of finite-lived intangible assets acquired	$ 80,500
Accumulated amortization		3,676
Accumulated amortization		(3,676)
Backlog [Member] \| Grand Design [Member]
Acquired Indefinite-lived Intangible Assets [Line Items]
Acquired finite-lived intangible assets, weighted average life	6 months
Fair value of finite-lived intangible assets acquired	$ 18,000
Accumulated amortization		18,000
Accumulated amortization		(18,000)
Noncompete agreements [Member] \| Grand Design [Member]
Acquired Indefinite-lived Intangible Assets [Line Items]
Acquired finite-lived intangible assets, weighted average life	4 years
Fair value of finite-lived intangible assets acquired	$ 4,600
Accumulated amortization		767
Accumulated amortization		(767)
Leasehold interest-favorable [Member] \| Grand Design [Member]
Acquired Indefinite-lived Intangible Assets [Line Items]
Acquired finite-lived intangible assets, weighted average life	8 years 1 month 6 days
Fair value of finite-lived intangible assets acquired	$ 2,000
Accumulated amortization		135
Accumulated amortization		$ (135)

Business Combination, Goodwill and Other Intangible Assets - Future Amortization of Intangible Assets (Details) $ in Thousands	May 27, 2017 USD ($)
Business Combinations [Abstract]
Remainder of 2017	$ 2,082
2018	7,854
2019	7,733
2020	7,733
2021	7,733
2022	7,106
Thereafter	$ 42,281

Business Combination, Goodwill and Other Intangible Assets - ProForma Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended			9 Months Ended
	May 27, 2017	Nov. 26, 2016	May 28, 2016	May 27, 2017	May 28, 2016
Grand Design [Member]
Business Acquisition [Line Items]
Revenue since acquisition				$ 366,309
Operating income since acquisition				27,083
Pro forma net revenues	$ 476,364		$ 402,511	1,187,849	$ 1,022,249
Pro forma net income	$ 24,856		$ 21,064	$ 66,009	$ 29,221
Pro forma income per share - basic (in dollars per share)	$ 0.79		$ 0.67	$ 2.09	$ 0.93
Pro forma income per share - diluted (in dollars per share)	$ 0.78		$ 0.67	$ 2.08	$ 0.92
Amortization of intangibles (1 year or less useful life) [Member]
Business Acquisition [Line Items]
Nonrecurring adjustments	$ (8,225)		$ 1,579	$ (18,601)	$ 18,722
Increase in amortization of intangibles [Member]
Business Acquisition [Line Items]
Nonrecurring adjustments	0		1,933	1,551	5,799
Expenses Related to Business Combination [Member]
Business Acquisition [Line Items]
Nonrecurring adjustments	(450)		450	(6,432)	6,753
Grand Design Expenses Related to Business Combination [Member]
Business Acquisition [Line Items]
Nonrecurring adjustments		$ (100)
Interest to reflect new debt structure [Member]
Business Acquisition [Line Items]
Nonrecurring adjustments	0		4,884	3,672	14,779
Taxes related to the adjustments to the pro forma [Member]
Business Acquisition [Line Items]
Nonrecurring adjustments	$ 3,210		$ 3,892	$ 11,513	$ (1,838)

Business Segments (Details) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
Business Segments (Details) $ in Thousands	May 27, 2017 USD ($)	May 28, 2016 USD ($)	May 27, 2017 USD ($) segment	May 28, 2016 USD ($)	Aug. 27, 2016 USD ($) segment
Segment Reporting Information [Line Items]
Number of reportable segments \| segment			2		1
Revenues	$ 476,364	$ 272,077	$ 1,092,183	$ 711,972
Adjusted EBITDA	47,328	17,730	91,078	43,817
Capital Expenditures	2,802	3,571	9,740	19,928
Assets	890,351	380,037	890,351	380,037	$ 390,718
Operating Segments [Member] \| Motorized [Member]
Segment Reporting Information [Line Items]
Revenues	241,670	246,684	635,732	649,162
Adjusted EBITDA	12,598	16,218	31,738	39,683
Capital Expenditures	1,527	3,498	6,626	19,364
Assets	319,912	354,481	319,912	354,481
Operating Segments [Member] \| Towable [Member]
Segment Reporting Information [Line Items]
Revenues	234,694	25,393	456,451	62,810
Adjusted EBITDA	34,730	1,512	59,340	4,134
Capital Expenditures	1,275	73	3,114	564
Assets	$ 570,439	$ 25,556	$ 570,439	$ 25,556

Business Segments - Reconciliation of Adjusted EBITDA (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May 27, 2017	May 28, 2016	May 27, 2017	May 28, 2016
Segment Reporting [Abstract]
Net income	$ 19,391	$ 14,438	$ 46,407	$ 32,350
Interest expense	5,265	0	11,571	0
Provision for income taxes	10,258	6,232	23,794	14,699
Depreciation	1,859	1,480	5,287	4,243
Amortization of intangible assets	10,159	0	22,578	0
EBITDA	46,932	22,150	109,637	51,292
Postretirement health care benefit income	0	(1,593)	(24,796)	(4,531)
Legal settlement	0	(2,750)	0	(2,750)
Transaction costs	450	0	6,374	0
Non-operating income	(54)	(77)	(137)	(194)
Adjusted EBITDA	$ 47,328	$ 17,730	$ 91,078	$ 43,817

Concentration Risk (Narrative) (Details) - Sales Revenue, Goods, Net [Member] - Customer Concentration Risk [Member]	9 Months Ended
	May 27, 2017	May 28, 2016
Major Customer One [Member]
Concentration Risk [Line Items]
Percent of revenue	10.90%	13.80%
Major Customer Two [Member]
Concentration Risk [Line Items]
Percent of revenue	10.60%	17.60%

Derivatives, Investments and Fair Value Measurements (Fair Value Inputs) (Details) - Fair Value, Measurements, Recurring [Member] - USD ($) $ in Thousands	May 27, 2017	Aug. 27, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	$ 0	$ 77,234
Domestic equity funds	2,178	3,587
International equity funds	208	258
Fixed income funds	220	265
Interest rate swap contract	(802)	0
Total assets (liabilities) at fair value	1,804	81,344
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	0	77,234
Domestic equity funds	2,085	3,515
International equity funds	165	225
Fixed income funds	138	206
Interest rate swap contract	0	0
Total assets (liabilities) at fair value	2,388	81,180
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	0	0
Domestic equity funds	93	72
International equity funds	43	33
Fixed income funds	82	59
Interest rate swap contract	(802)	0
Total assets (liabilities) at fair value	(584)	164
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash equivalents	0	0
Domestic equity funds	0	0
International equity funds	0	0
Fixed income funds	0	0
Interest rate swap contract	0	0
Total assets (liabilities) at fair value	$ 0	$ 0

Derivatives, Investments and Fair Value Measurements (Narrative) (Details) - USD ($)	Dec. 09, 2019	Dec. 10, 2018	Dec. 08, 2017	May 27, 2017	Jan. 23, 2017	Aug. 27, 2016
Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swap contract				$ (802,000)		$ 0
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest rate swap contract				$ (802,000)		$ 0
Term Loan \| Interest Rate Swap [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notional amount					$ 200,000,000.0
Interest rate, stated percentage					6.32%
Scenario, Forecast [Member] \| Term Loan \| Interest Rate Swap [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notional amount	$ 60,000,000	$ 120,000,000	$ 170,000,000

Inventories (Inventory Schedule) (Details) - USD ($) $ in Thousands	May 27, 2017	Aug. 27, 2016
Inventory Disclosure [Abstract]
Finished goods	$ 13,857	$ 19,129
Work-in-process	75,727	76,350
Raw materials	89,433	60,740
Total	179,017	156,219
LIFO reserve	(34,595)	(33,697)
Total inventories	$ 144,422	$ 122,522

Inventories (Narrative) (Details) - USD ($) $ in Thousands	May 27, 2017	Aug. 27, 2016
Inventory Disclosure [Abstract]
Inventory, gross	$ 179,017	$ 156,219
Inventory, LIFO	156,400	149,400
Inventory, FIFO	$ 22,600	$ 6,800

Property, Plant and Equipment (Property, Plant and Equipment) (Details) - USD ($) $ in Thousands	May 27, 2017	Aug. 27, 2016
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	$ 201,566	$ 185,858
Less accumulated depreciation	(132,910)	(129,927)
Total property, plant and equipment, net	68,656	55,931
Land [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	3,864	3,864
Buildings and building improvements [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	71,655	62,073
Machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	99,394	95,087
Software [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	17,672	15,878
Transportation [Member]
Property, Plant and Equipment [Line Items]
Total property, plant and equipment, gross	$ 8,981	$ 8,956

Property, Plant and Equipment (Narrative) (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Nov. 08, 2016	May 27, 2017	May 28, 2016	May 27, 2017	May 28, 2016
Property, Plant and Equipment [Line Items]
Payments to acquire property		$ 2,802	$ 3,571	$ 9,740	$ 19,928
Grand Design [Member]
Property, Plant and Equipment [Line Items]
Payments to acquire property	$ 9,000

Warranty (Schedule of Product Warranty Liability) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May 27, 2017	May 28, 2016	May 27, 2017	May 28, 2016
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]
Balance at beginning of period	$ 25,030	$ 11,727	$ 12,412	$ 11,254
Provision	10,202	4,844	21,832	12,311
Claims paid	(7,176)	(4,660)	(19,092)	(11,654)
Acquisition of Grand Design	0	0	12,904	0
Balance at end of period	$ 28,056	$ 11,911	$ 28,056	$ 11,911

Long-Term Debt - Components of Long-Term Debt (Details) - USD ($) $ in Thousands	May 27, 2017	Aug. 27, 2016
Debt Instrument [Line Items]
Long-term debt, gross	$ 297,000	$ 0
Less: debt issuance cost, net	(10,131)	0
Long-term debt	286,869	0
Less: current maturities	(12,051)	0
Long-term debt, less current maturities	274,818	0
Line of Credit [Member] \| ABL
Debt Instrument [Line Items]
Long-term debt, gross	0	0
Line of Credit [Member] \| Term Loan
Debt Instrument [Line Items]
Long-term debt, gross	$ 297,000	$ 0

Long-Term Debt (Details) $ in Thousands			3 Months Ended		9 Months Ended
Long-Term Debt (Details) $ in Thousands	Dec. 31, 2017	Nov. 08, 2016 USD ($)	Mar. 02, 2019	Nov. 26, 2016 USD ($)	May 27, 2017 USD ($)	May 28, 2016 USD ($)
Debt Instrument [Line Items]
Debt issuance costs					$ 10,100
Accumulated amortization of debt issuance costs					900
Debt issuance costs, net, current					1,400
Debt issuance costs, net, long-term					8,700
Amortization of debt issuance costs					$ 889	$ 0
Prior Credit Agreement [Member]
Debt Instrument [Line Items]
Amortization of debt issuance costs				$ 100
JPMorgan Chase [Member] \| Line of Credit [Member] \| ABL
Debt Instrument [Line Items]
Debt, face amount		$ 125,000
ABL agreement, borrowing base, percent of eligible accounts receivable		85.00%
ABL agreement, borrowing base, percent of eligible inventory		75.00%
Line of credit, unused capacity fee, utilization less than or equal to 50%		0.375%
Line of credit, unused capacity fee, utilization greater than 50%		0.25%
Debt instrument, term		5 years
JPMorgan Chase [Member] \| Line of Credit [Member] \| ABL \| Base Rate [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate		0.50%
JPMorgan Chase [Member] \| Line of Credit [Member] \| ABL \| Base Rate [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate		1.00%
JPMorgan Chase [Member] \| Line of Credit [Member] \| ABL \| London Interbank Offered Rate (LIBOR) [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate		1.50%
JPMorgan Chase [Member] \| Line of Credit [Member] \| ABL \| London Interbank Offered Rate (LIBOR) [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Basis spread on variable rate		2.00%
JPMorgan Chase [Member] \| Line of Credit [Member] \| Term Loan
Debt Instrument [Line Items]
Debt, face amount		$ 300,000
Debt instrument, term		7 years
Quarterly installment, percent of aggregate principal amount		1.00%
Mandatory prepayments for proceeds of new debt, sale of significant assets or subsidiaries		50.00%
Mandatory prepayments for proceeds of new debt, sale of significant assets or subsidiaries, step down one		25.00%
Mandatory prepayments for proceeds of new debt, sale of significant assets or subsidiaries, step down two		0.00%
Mandatory prepayments for proceeds of new debt, sale of significant assets or subsidiaries, net leverage ratio threshold, step down one		2.5
Mandatory prepayments for proceeds of new debt, sale of significant assets or subsidiaries, net leverage ratio threshold, step down two		2.0
Incremental term loans, up to		$ 125,000
Effective interest rate					5.61%
Fixed charge coverage ratio, minimum		1.0
Senior secured net leverage ratio, maximum		3.5
Limitation on dividends, redemptions, and other payments on equity		$ 20,000
Limitations on dividends, redemptions and other payments on equity, net leverage ratio threshold		3.0
JPMorgan Chase [Member] \| Line of Credit [Member] \| Term Loan \| Interest Rate Swap [Member]
Debt Instrument [Line Items]
Hedging agreement, percent of outstanding principal balance		50.00%
Term of derivative instrument		3 years
Hedging agreement requirement, leverage ratio threshold		2.0
JPMorgan Chase [Member] \| Line of Credit [Member] \| Term Loan \| Scenario, Forecast [Member]
Debt Instrument [Line Items]
Quarterly installment, percent of aggregate principal amount	1.25%
Senior secured net leverage ratio, maximum			3.25
JPMorgan Chase [Member] \| Line of Credit [Member] \| Term Loan \| Base Rate [Member]
Debt Instrument [Line Items]
Basis spread on variable rate		3.50%
JPMorgan Chase [Member] \| Line of Credit [Member] \| Term Loan \| Base Rate [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Base rate floor		2.00%
JPMorgan Chase [Member] \| Line of Credit [Member] \| Term Loan \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Basis spread on variable rate		4.50%
Variable rate, floor (as a percent)		1.00%
JPMorgan Chase [Member] \| Line of Credit [Member] \| Letter of Credit [Member]
Debt Instrument [Line Items]
Debt, face amount		$ 10,000

Long-Term Debt - Contractual Maturities (Details) - USD ($) $ in Thousands	May 27, 2017	Aug. 27, 2016
Debt Disclosure [Abstract]
2017	$ 3,000
2018	14,250
2019	15,000
2020	15,000
2021	15,000
2022	15,000
2023	15,000
2024	204,750
Total debt	$ 297,000	$ 0

Employee and Retiree Benefits (Postretirement Health Care and Deferred Compensation Benefits) (Details) - USD ($) $ in Thousands	May 27, 2017	Aug. 27, 2016
Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]
Postretirement health care benefit cost	$ 0	$ 6,346
Non-qualified deferred compensation	16,851	18,003
Executive share option plan liability	1,914	3,341
SERP benefit liability	2,428	2,681
Executive deferred compensation	510	389
Officer stock-based compensation	1,048	763
Total deferred compensation and postretirement health care benefits	22,751	31,523
Less current portion	(3,769)	(4,574)
Long-term deferred compensation and postretirement health care benefits	$ 18,982	$ 26,949

Employee and Retiree Benefits Postretirement Plan Amendments (Details) - USD ($) $ in Thousands	1 Months Ended						12 Months Ended
	Jan. 31, 2017	Jan. 31, 2016	Jan. 31, 2015	Jan. 31, 2014	Jan. 31, 2013	Jan. 31, 2012	Aug. 27, 2005
Compensation and Retirement Disclosure [Abstract]
Dollar cap liability reduction		10.00%	10.00%	10.00%	10.00%	10.00%
Liability reduction	$ 6,338	$ 28,596	$ 3,960	$ 3,580	$ 4,289	$ 4,598	$ 40,414
Amortization period	2 months	6 years 10 months 24 days	7 years 1 month 6 days	7 years 4 months	7 years 6 months	7 years 9 months 20 days	11 years 6 months

Employee and Retiree Benefits (Postretirement Benefit Income) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May 27, 2017	May 28, 2016	May 27, 2017	May 28, 2016
Compensation and Retirement Disclosure [Abstract]
Interest cost	$ 0	$ 58	$ 29	$ 269
Service cost	0	23	16	86
Amortization of prior service benfit	0	(2,008)	(40,444)	(5,728)
Amortization of net actuarial loss	0	415	15,648	1,197
Net periodic postretirement benefit income	0	(1,512)	(24,751)	(4,176)
Payments for postretirement health care	$ 0	$ 232	$ 68	$ 738

Employee and Retiree Benefits (Narrative) (Details)	1 Months Ended						9 Months Ended
Employee and Retiree Benefits (Narrative) (Details)	Jan. 31, 2017	Jan. 31, 2016	Jan. 31, 2015	Jan. 31, 2014	Jan. 31, 2013	Jan. 31, 2012	May 27, 2017
Compensation and Retirement Disclosure [Abstract]
Postretirement health care benefits age requirement before distribution occurs							55 years
Postretirement health care benefits continuous service requirement							15 years
Dollar cap liability reduction		10.00%	10.00%	10.00%	10.00%	10.00%
Postretirement health care retiree age requirement	65 years	65 years

Shareholders' Equity (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended				9 Months Ended
	Apr. 11, 2017	Nov. 08, 2016	May 27, 2017	Nov. 26, 2016	May 28, 2016	Nov. 28, 2015	May 27, 2017	May 28, 2016	Aug. 27, 2016
Shareholders Equity [Line Items]
Stock-based compensation expense			$ 700		$ 600		$ 2,200	$ 1,800
Dividends paid per common share (in dollars per share)			$ 0.10		$ 0.10		$ 0.30	$ 0.30
Dividends declared per common share (in dollars per share)			$ 0.10
Accrued dividend			$ 3,184				$ 3,184		$ 0
Oct 11 2016 Grant [Member] \| Management [Member] \| Restricted Stock [Member]
Shareholders Equity [Line Items]
Issuance of stock (in shares)				97,600
October 13 2015 Grant [Domain] \| Management [Member] \| Restricted Stock [Member]
Shareholders Equity [Line Items]
Issuance of stock (in shares)						204,200
Grand Design [Member]
Shareholders Equity [Line Items]
Shares issued for acquisition		4,586,555
Acquisition shares sold	2,293,277

Contingent Liabilites and Commitments (Schedule of Repurchased Activity) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May 27, 2017	May 28, 2016	May 27, 2017	May 28, 2016
Commitments and Contingencies Disclosure [Abstract]
Inventory repurchased, dollars	$ 408	$ 445	$ 408	$ 445
Inventory resold, cash collected	370	0	393	36
Inventory resold, loss (gain) recognized	$ 38	$ 0	$ 44	$ (1)

Contingent Liabilites and Commitments (Repurchase Commitments Narrative) (Details) - USD ($) $ in Millions	9 Months Ended
	May 27, 2017	Aug. 27, 2016
Purchase Commitment, Excluding Long-term Commitment [Line Items]
Repurchase agreement term	18 months
Accrued loss on repurchases	$ 1.0	$ 0.9
Major Customers One and Two [Member]
Purchase Commitment, Excluding Long-term Commitment [Line Items]
Percent of revenue	22.00%
Obligation to Repurchase from Dealers [Member]
Purchase Commitment, Excluding Long-term Commitment [Line Items]
Contingent liability on repurchase agreements	$ 749.2	$ 417.2

Contingent Liabilites and Commitments Litigation Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May 27, 2017	May 28, 2016	May 27, 2017	May 28, 2016
Commitments and Contingencies Disclosure [Abstract]
Legal settlement	$ 0	$ 2,750	$ 0	$ 2,750

Contingent Liabilites and Commitments Lease Commitments (Details) $ in Thousands	Nov. 08, 2016 shareholder property	May 27, 2017 USD ($)
Minimum future lease commitments under noncancelable lease agreements
2017		$ 591
2018		2,374
2019		2,305
2020		2,318
2021		2,323
Therafter		9,140
Total		19,051
Grand Design [Member]
Business Acquisition [Line Items]
Number of properties acquired \| property	2
Grand Design [Member] \| Grand Design Facilities [Member]
Business Acquisition [Line Items]
Number of Grand Design shareholders that own the principal facilities \| shareholder	3
Related Party [Member]
Minimum future lease commitments under noncancelable lease agreements
2017		479
2018		1,897
2019		1,800
2020		1,800
2021		1,800
Therafter		8,374
Total		16,150
Non-related Party [Member]
Minimum future lease commitments under noncancelable lease agreements
2017		112
2018		477
2019		505
2020		518
2021		523
Therafter		766
Total		$ 2,901

Income Taxes (Narrative) (Details) $ in Millions	May 27, 2017 USD ($)
Income Tax Disclosure [Abstract]
Unrecognized tax benefits	$ 1.8
Unrecognized tax benefits that would have an impact on effective tax rate	1.3
Unrecognized tax benefits, income tax penalties and interest accrued	$ 0.5

Earnings Per Share (Calculation of Basic and Diluted Income Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	May 27, 2017	May 28, 2016	May 27, 2017	May 28, 2016
Earnings Per Share [Abstract]
Net income	$ 19,391	$ 14,438	$ 46,407	$ 32,350
Weighted average shares outstanding	31,587	26,892	30,333	26,935
Net income per share - basic (in dollars per share)	$ 0.61	$ 0.54	$ 1.53	$ 1.20
Dilutive impact of awards and options outstanding	104	112	115	94
Weighted average shares and potential dilutive shares outstanding	31,691	27,004	30,448	27,029
Net income per share - assuming dilution (in dollars per share)	$ 0.61	$ 0.53	$ 1.52	$ 1.20

Earnings Per Share (Narrative) (Details) - shares	9 Months Ended
Earnings Per Share (Narrative) (Details) - shares	May 27, 2017	May 28, 2016
Employee Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive shares	61,000	10,000

Accumulated Other Comprehensive Income (Loss) Changes in AOCI by component (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May 27, 2017	May 28, 2016	May 27, 2017	May 28, 2016
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance at beginning of period	$ (900)	$ 13,616	$ 10,975	$ (2,274)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax [Abstract]
OCI before reclassifications	(58)	0	3,406	17,701
Amounts reclassified from AOCI	6	(983)	(15,333)	(2,794)
Net current-period OCI	(52)	(983)	(11,927)	14,907
Balance at end of period	(952)	12,633	(952)	12,633
Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance at beginning of period	(461)	13,616	10,975	(2,274)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax [Abstract]
OCI before reclassifications	0	0	3,903	17,701
Amounts reclassified from AOCI	6	(983)	(15,333)	(2,794)
Net current-period OCI	6	(983)	(11,430)	14,907
Balance at end of period	(455)	12,633	(455)	12,633
Accumulated Net Gain (Loss) from Interest Rate Swap [Member]
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance at beginning of period	(439)	0	0	0
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax [Abstract]
OCI before reclassifications	(58)	0	(497)	0
Amounts reclassified from AOCI	0	0	0	0
Net current-period OCI	(58)	0	(497)	0
Balance at end of period	$ (497)	$ 0	$ (497)	$ 0

Accumulated Other Comprehensive Income (Loss) Reclassification from AOCI (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May 27, 2017	May 28, 2016	May 27, 2017	May 28, 2016
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amortization of prior service credit (net of tax)	$ 0	$ 1,243	$ 25,035	$ 3,545
Amortization of net actuarial loss (net of tax)	6	260	9,702	751
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total reclassifications	6	(983)	(15,333)	(2,794)
Reclassification out of Accumulated Other Comprehensive Income [Member] \| Operating expenses [Member] \| Amortization of prior service credit
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amortization of prior service credit (net of tax)	0	(1,243)	(25,035)	(3,545)
Reclassification out of Accumulated Other Comprehensive Income [Member] \| Operating expenses [Member] \| Amortization of net actuarial loss
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amortization of net actuarial loss (net of tax)	$ 6	$ 260	$ 9,702	$ 751