Facility Exit and Impairment Charges - Results from closed stores (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 04, 2023	Feb. 26, 2022	Feb. 27, 2021
Lease termination and impairment charges
Income (loss) before income taxes	$ (725,655)	$ (526,152)	$ (119,538)
Depreciation and amortization	276,583	295,686	327,124
Retail Sites In Closed Or Approved For Closure Status [Member]
Lease termination and impairment charges
Revenues	178,030	586,056	639,471
Operating expenses	192,357	640,996	699,662
Gain from sale of assets	(46,125)	(13,670)	(7,954)
Other expenses	25,396	52,999	13,057
Income (loss) before income taxes	6,402	(94,269)	(65,294)
Depreciation and amortization	934	3,499	4,535
Inventory liquidation charges	$ (6,369)	$ (1,646)	$ (1,528)