LONG-TERM DEBT AND FINANCE LEASE OBLIGATIONS - Schedule of Interest Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Feb. 26, 2022	Feb. 27, 2021	Feb. 29, 2020
Debt Disclosure [Abstract]
ABL Facility, senior secured and unsecured notes, term loans and debentures	$ 400.0	$ 463.4	$ 565.3
Finance lease obligations	61.6	70.5	79.8
Amortization and expense of previously deferred financing costs	23.4	20.9	39.8
Amortization of debt (premiums) discounts, net	(0.2)	(0.6)	34.1
Other interest income	(2.9)	(16.0)	(21.0)
Interest expense, net	$ 481.9	$ 538.2	$ 698.0