Facility Exit and Impairment Charges - Fair value (Details) - USD ($) $ in Thousands	3 Months Ended			12 Months Ended
	Mar. 04, 2023	Feb. 26, 2022	Feb. 27, 2021	Mar. 04, 2023	Feb. 26, 2022	Feb. 27, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]
Fair value of Long-lived assets held for use	$ 65,676	$ 263,770		$ 65,676	$ 263,770
Fair value of Long-lived assets held for sale	5,115	2,371		5,115	2,371
Total	70,791	266,141		70,791	266,141
Long-lived assets held, impairment charges				$ (132,243)	$ (150,064)
Impairment, Long-Lived Asset, Held-for-Use, Statement of Income or Comprehensive Income [Extensible Enumeration]				Lease Termination And Long-Lived Asset Impairment Charges	Lease Termination And Long-Lived Asset Impairment Charges
Long-lived assets held for sale, impairment charges				$ (4,832)	$ (724)
Total	(59,573)	(99,416)	$ (31,057)	(137,075)	(150,788)	$ (46,287)
Nonrecurring basis | Level 1
Revenues from External Customers and Long-Lived Assets [Line Items]
Fair value of Long-lived assets held for use
Fair value of Long-lived assets held for sale
Total
Nonrecurring basis | Level 2
Revenues from External Customers and Long-Lived Assets [Line Items]
Fair value of Long-lived assets held for use	22,959	240,176		22,959	240,176
Fair value of Long-lived assets held for sale	5,115	2,371		5,115	2,371
Total	28,074	242,547		28,074	242,547
Nonrecurring basis | Level 3
Revenues from External Customers and Long-Lived Assets [Line Items]
Fair value of Long-lived assets held for use	42,717	23,594		42,717	23,594
Total	$ 42,717	$ 23,594		$ 42,717	$ 23,594