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Comprehensive Income (Loss) Reclassification from AOCI (Details) - USD ($) $ in Thousands	3 Months Ended
	Nov. 28, 2015	Nov. 29, 2014
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Amortization of prior service credit	$ (1,060)	$ (800)
Amortization of net actuarial loss	231	199
Total reclassifications	$ (829)	$ (601)

X

- Definition

Amount after tax and reclassification adjustments, of (increase) decrease in accumulated other comprehensive (income) loss related to pension and other postretirement defined benefit plans.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 10A
-Subparagraph (i-k)
-URI http://asc.fasb.org/extlink&oid=36458714&loc=SL7669646-108580

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount after tax of reclassification adjustment from accumulated other comprehensive (income) loss related to net period benefit cost (credit) for pension and other postretirement defined benefit plans.

+ References

No definition available.

+ Details

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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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X

- Definition

The decrease (increase) in actuarial loss included in accumulated other comprehensive income associated with a postretirement health plan because it has yet to be recognized as components of net periodic benefit cost.

+ References

No definition available.

+ Details

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Namespace Prefix:	wgo_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration