Segment Reporting - Long-Lived Assets by Geographic Area (Details) - USD ($) $ in Thousands	Aug. 28, 2021	Aug. 29, 2020
Revenues From External Customers And Long Lived Assets [Line Items]
Long-lived assets	$ 1,277,273	$ 1,229,693
United States
Revenues From External Customers And Long Lived Assets [Line Items]
Long-lived assets	1,219,760	1,177,107
Europe, Canada, Mexico and Nicaragua
Revenues From External Customers And Long Lived Assets [Line Items]
Long-lived assets	$ 57,513	$ 52,586