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Goodwill and Intangible Assets - Schedule of Goodwill (Details) - USD ($)	9 Months Ended
	May 29, 2021	May 30, 2020	Aug. 29, 2020	Aug. 31, 2019
Goodwill [Line Items]
Goodwill	$ 348,058,000	$ 348,058,000	$ 348,058,000	$ 274,931,000
Acquisition of Newmar		73,127,000
Goodwill activity	0
Corporate / All Other
Goodwill [Line Items]
Goodwill	30,247,000	30,247,000	30,247,000	30,247,000
Acquisition of Newmar		0
Towable \| Operating Segments
Goodwill [Line Items]
Goodwill	244,684,000	244,684,000	244,684,000	244,684,000
Acquisition of Newmar		0
Motorhome \| Operating Segments
Goodwill [Line Items]
Goodwill	$ 73,127,000	73,127,000	$ 73,127,000	$ 0
Acquisition of Newmar		$ 73,127,000