Summary of Significant Accounting Policies (Details) $ in Millions	12 Months Ended
Aug. 27, 2016 USD ($) reportable_segments	Aug. 29, 2015 USD ($)	Aug. 30, 2014 USD ($)
Accounting Policies [Abstract]
Insurance policy limit	$ 35.0
Self insurance reserve for product liability, per occurance	2.5
Self insurance reserve for product liability, aggregate per policy year	$ 6.0
Repurchase agreement term	18 months
Repurchase commitment, liability threshold	100.00%
Number of reportable segments \| reportable_segments	1
Research and development expense	$ 4.0	$ 3.9	$ 4.3
Advertising expense	$ 4.9	$ 5.5	$ 5.1

No definition available.

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- Definition

Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 720
-SubTopic 35
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848

+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

+ Details

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- Definition

The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 730
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 985
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Insurance policy limit on a per occurrence basis.

+ References

No definition available.

+ Details

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Namespace Prefix:	wgo_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

Loss Contingency, Repurchase Agreement Term

+ References

No definition available.

+ Details

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- Definition

Repurchase Commitment, Liability Threshold

+ References

No definition available.

+ Details

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- Definition

Self Insurance Reserve For Product Liability Aggregate Per Policy Year

+ References

No definition available.

+ Details

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

- Definition

Self Insurance Reserve Product Liability Per Occurance

+ References

No definition available.

+ Details

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