Facility Exit and Impairment Charges (Details) $ in Thousands	12 Months Ended
	Mar. 04, 2023 USD ($) store location	Feb. 26, 2022 USD ($) store	Feb. 27, 2021 USD ($) store location
Lease termination and impairment charges
Facility exit and impairment charges	$ 180,637	$ 164,084	$ 57,714
Period considered for impairment of relocated stores	2 years
Total number of impaired locations	258	354	228
Number of stores | store	2,309
Operating lease right-of-use assets	$ 2,497,206	$ 2,813,535
Impairment charges	132,243	150,064
Impairment charges, closed facilities	$ 4,832	$ 724
Active Stores [Member]
Lease termination and impairment charges
Total number of impaired locations | store	64	207	195
Number of stores | store	2,309
Operating lease right-of-use assets	$ 2,300,000
Impairment charges	13,544	$ 56,182	$ 29,745
Carrying value of long-lived assets	$ 717,200
Retail Sites New, Relocated And Remodeled-Active Stores [Member]
Lease termination and impairment charges
Total number of impaired locations | store	8	1	2
ROU assets impairment	$ 1,765	$ 0	$ 347
Capital asset impairment	$ 2,875	538	1,172
Period considered for impairment of relocated stores	2 years
Impairment charges	$ 4,640	$ 538	$ 1,519
Retail Sites Previously Impaired-Active Stores [Member]
Lease termination and impairment charges
Total number of impaired locations | store	44	118	174
ROU assets impairment	$ 3,087	$ 5,434	$ 15,459
Capital asset impairment	1,779	6,905	5,913
Impairment charges	$ 4,866	$ 12,339	$ 21,372
Retail Sites In Closed Status [Member]
Lease termination and impairment charges
Total number of impaired locations | store	194	147	33
Impairment charges, closed facilities	$ 123,531	$ 94,606	$ 16,542
Remaining Stores Not Meeting The Recoverability Test [Member]
Lease termination and impairment charges
Total number of impaired locations | store	12	88	19
ROU assets impairment	$ 1,765	$ 26,130	$ 3,177
Capital asset impairment	2,273	17,175	3,677
Impairment charges	$ 4,038	$ 43,305	$ 6,854
Minimum
Lease termination and impairment charges
Period considered for impairment of relocated stores	2 years
Minimum | Retail Sites New, Relocated And Remodeled-Active Stores [Member]
Lease termination and impairment charges
Period considered for impairment of relocated stores	2 years
Period considered for impairment of new stores	3 years