Income Taxes Components of Income Tax Expense and Sources of Income (Details) - USD ($) $ in Millions	12 Months Ended
	Feb. 25, 2022	Feb. 26, 2021	Feb. 28, 2020
Sources of Income (Loss) Before Income Tax Expense [Abstract]
Income (Loss) from Continuing Operations before Income Taxes, Domestic	$ (38.0)	$ (10.1)	$ 195.8
Foreign	39.6	36.0	49.4
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	1.6	25.9	245.2
Current Income Taxes [Abstract]
Federal	0.0	(30.4)	6.8
State and Local	1.0	1.9	10.9
Foreign	10.0	12.9	15.4
Current Income Taxes	11.0	(15.6)	33.1
Deferred Income Taxes [Abstract]
Federal	(14.0)	13.7	10.3
State and Local	(1.3)	(1.1)	(2.8)
Foreign	1.9	2.8	4.9
Deferred income taxes	(13.4)	15.4	12.4
Income tax expense	$ (2.4)	$ (0.2)	$ 45.5