Schedule II Valuation And Qualifying Accounts Schedule II Valuation And Qualifying Accounts (Details) - USD ($) $ in Millions		12 Months Ended
		Feb. 22, 2019	Feb. 23, 2018	Feb. 24, 2017
Allowance for Losses on Accounts Receivable [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Valuation allowances and reserves, balance as of beginning of period		$ 11.1	$ 11.2	$ 11.7
Charged to cost and expense		5.5	2.5	4.5
Charged to other accounts		0.0	(0.1)	0.0
Deductions	[1]	(8.2)	(3.0)	(5.2)
Other adjustments	[2]	0.3	0.5	0.2
Valuation allowances and reserves, balance as of end of period		8.7	11.1	11.2
Valuation Allowance for Deferred Income Tax Assets [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Valuation allowances and reserves, balance as of beginning of period		9.5	7.9	10.6
Charged to cost and expense		1.7	1.9	(1.8)
Deductions		(3.0)	(1.1)	(0.4)
Other adjustments	[3]	(0.4)	0.8	(0.5)
Valuation allowances and reserves, balance as of end of period		$ 7.8	$ 9.5	$ 7.9

[1] Primarily represents excess of accounts written off over recoveries.

[2] Primarily represents currency translation adjustments.

[3] Primarily represents currency translation adjustments.