Income Taxes Components of Income Tax Expense and Sources of Income (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Feb. 22, 2013	Feb. 24, 2012	Feb. 25, 2011
Sources of Income (Loss) Before Income Tax Expense [Abstract]
Domestic	$ 83.8	$ 63.8	$ 39.7
Foreign	(28.9)	18.2	11.7
Income before income tax expense	54.9	82.0	51.4
Current Income Taxes [Abstract]
Federal	12.1	0	3.3
State and Local	1.4	0.4	1.0
Foreign	5.6	11.3	15.4
Current Income Taxes	19.1	11.7	19.7
Deferred Income Taxes [Abstract]
Federal	(48.8)	18.0	17.4
State and Local	3.1	2.5	1.2
Foreign	42.7	(6.9)	(7.3)
Deferred income taxes	(3.0)	13.6	11.3
Income Tax Expense	$ 16.1	$ 25.3	$ 31.0