Business Segments - Revenues by Geographic Area (Details) - USD ($) $ in Millions	12 Months Ended
	Aug. 26, 2023	Aug. 27, 2022	Aug. 28, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	$ 3,490.7	$ 4,957.7	$ 3,629.8
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	3,346.6	4,618.1	3,410.6
International
Revenues from External Customers and Long-Lived Assets [Line Items]
Net revenues	$ 144.1	$ 339.6	$ 219.2