Goodwill and Intangible Assets - Schedule of Goodwill (Details) - USD ($) $ in Millions	12 Months Ended
	Aug. 26, 2023	Aug. 27, 2022
Goodwill [Roll Forward]
Balance at beginning of year	$ 484.2	$ 348.1
Acquisition	30.3	136.1
Balance at end of year	514.5	484.2
Corporate / All Other
Goodwill [Roll Forward]
Balance at beginning of year	0.0	0.0
Acquisition	30.3	0.0
Balance at end of year	30.3	0.0
Towable RV | Operating Segments
Goodwill [Roll Forward]
Balance at beginning of year	244.7	244.7
Acquisition	0.0	0.0
Balance at end of year	244.7	244.7
Motorhome RV | Operating Segments
Goodwill [Roll Forward]
Balance at beginning of year	73.1	73.1
Acquisition	0.0	0.0
Balance at end of year	73.1	73.1
Marine | Operating Segments
Goodwill [Roll Forward]
Balance at beginning of year	166.4	30.3
Acquisition	0.0	136.1
Balance at end of year	$ 166.4	$ 166.4