Net Investment in Operating Leases and Operating Lease Repurchase Obligation (Details) (USD $)	3 Months Ended
May 31, 2014 Recreational_vehicles	Aug. 31, 2013
Net Investment in Operating Leases and Operating Lease Repurchase Obligation [Abstract]
Rental units sold to Apollo	520
Rental units subject to operating lease	343
Net investment in operating leases	$ 16,479,000	$ 0
Operating lease repurchase obligations	16,050,000	0
Operating lease revenue	$ 100,000

The total amount of revenue recognized for the period from operating leases, including minimum lease revenue, contingent revenue, percentage revenue and sublease revenue.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 20

-Section 25

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=7501430&loc=d3e39896-112707

+ Details

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

- Definition

The amount of property, by major property class, net of accumulated depreciation, subject to or available for lease as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6454179&loc=d3e41551-112718

+ Details

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

- Definition

The number of units (items of property) under operating lease arrangements.

+ References

No definition available.

+ Details

Name:	us-gaap_PropertySubjectToOrAvailableForOperatingLeaseNumberOfUnits
Namespace Prefix:	us-gaap_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	wgo_NetInvestmentinOperatingLeasesandOperatingLeaseRepurchaseObligationAbstract
Namespace Prefix:	wgo_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of rental RV repurchase obligation per agreement.

+ References

No definition available.

+ Details

Name:	wgo_OperatingLeaseRepurchaseObligations
Namespace Prefix:	wgo_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Rental units sold to Apollo

+ References

No definition available.

+ Details

Name:	wgo_RentalunitssoldtoApollo
Namespace Prefix:	wgo_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration