Leases - Supplemental BS Information (Details) - USD ($) $ in Thousands	May 28, 2022	Feb. 26, 2022
Operating leases:
Operating lease right-of-use assets	$ 2,723,405	$ 2,813,535
Short-term operating lease liabilities	574,392	575,651
Long-term operating lease liabilities	2,526,607	2,597,090
Total operating lease liabilities	3,100,999	3,172,741
Finance leases:
Property, plant and equipment, net	985,121	989,167
Current maturities of long-term debt and lease financing obligations	$ 5,016	$ 5,544
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Long-term Debt and Capital Lease Obligations, Current	Long-term Debt and Capital Lease Obligations, Current
Lease financing obligations, less current maturities	$ 14,392	$ 14,830
Total finance lease liabilities	$ 19,408	$ 20,374
Weighted average remaining lease term
Operating leases (in years)	7 years 6 months	7 years 8 months 12 days
Finance leases (in years)	8 years 8 months 12 days	8 years 8 months 12 days
Weighted average discount rate
Operating leases (as a percent)	6.00%	6.00%
Finance leases (as a percent)	9.80%	10.00%
Finance Leased Assets [Member]
Finance leases:
Property, plant and equipment, net	$ 13,151	$ 13,950