Long-Term Debt - Components of Long-Term Debt (Details) - USD ($) $ in Thousands	May 29, 2021	Aug. 29, 2020
Debt Instrument [Line Items]
Long-term debt, gross	$ 600,000	$ 600,000
Convertible Notes unamortized interest discount	(63,922)	(74,294)
Debt issuance costs, net	(11,628)	(13,076)
Long-term debt, net	524,450	512,630
ABL Credit Facility
Debt Instrument [Line Items]
Long-term debt, gross	0	0
Senior Secured Notes
Debt Instrument [Line Items]
Long-term debt, gross	300,000	300,000
Convertible Notes
Debt Instrument [Line Items]
Long-term debt, gross	$ 300,000	$ 300,000