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INCOME TAXES - Schedule of Effective Income Tax Rate Reconciliation (Details) - USD ($)
$ in Millions
12 Months Ended
Feb. 26, 2022
Feb. 27, 2021
Feb. 29, 2020
Income Tax Disclosure [Abstract]      
Income tax expense at federal statutory rate $ 440.9 $ 237.0 $ 125.8
State income taxes, net of federal benefit 100.7 58.0 32.3
Change in valuation allowance (2.5) (0.5) (7.2)
Unrecognized tax benefits (33.9) 8.6 7.7
Charitable donations (6.1) (8.2) (6.9)
Tax Credits (20.3) (23.3) (23.5)
Other 1.1 6.9 4.6
Income tax expense $ 479.9 $ 278.5 $ 132.8