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Employee and Retiree Benefits - Schedule of Investment in Life Insurance (Details) - USD ($) $ in Millions	Aug. 30, 2025	Aug. 31, 2024
Retirement Benefits [Abstract]
Cash value	$ 62.2	$ 67.4
Borrowings	(35.1)	(37.8)
Investment in life insurance	$ 27.1	$ 29.6

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- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
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- Definition

This item represents the amount that could be realized under a life insurance contract or contracts owned by the Entity as of the date of the statement of financial position. Such Entity-owned life insurance policies are commonly known as corporate-owned life insurance (COLI) or bank-owned life insurance (BOLI).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(12))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 325
-SubTopic 30
-Name Accounting Standards Codification
-Section 25
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481612/325-30-25-1

+ Details

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

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- Definition

This item represents the borrowings on COLI policies owned by the Entity as of the date of the statement of financial position.

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No definition available.

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

X

- Definition

This item represents the cash value of COLI policies owned by the Entity as of the date of the statement of financial position.

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No definition available.

+ Details

Name:	wgo_CashValueOfColiPolicies
Namespace Prefix:	wgo_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant