EQUITY-BASED COMPENSATION - Schedule of Equity-based Compensation Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Feb. 27, 2021	Feb. 29, 2020	Feb. 23, 2019
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Equity-based compensation expense	$ 59.0	$ 32.8	$ 47.7
Income tax benefit from compensation expense	13.7	7.5	12.9
RSUs
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Equity-based compensation expense	53.5	28.9	47.7
RSAs
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Equity-based compensation expense	$ 5.5	$ 3.9	$ 0.0