Accumulated Other Comprehensive Income (Loss) (Accumulated Other Comprehensive Income (Loss)) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 30, 2011	Dec. 31, 2010	Jan. 01, 2010
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	$ (24.1)	$ 2.8	$ (18.1)
Current year net change in other comprehensive income (loss)	22.5	(26.9)	20.9
Ending balance	(1.6)	(24.1)	2.8
Unrealized Gain (Loss) on Derivatives [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(18.6)	20.5	7.1
Current year net change in other comprehensive income (loss)	26.3	(39.1)	13.4
Ending balance	7.7	(18.6)	20.5
Currency Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	5.6	(4.4)	(24.9)
Current year net change in other comprehensive income (loss)	(2.5)	10.0	20.5
Ending balance	3.1	5.6	(4.4)
Retirement Benefit Adjustment, Net of Tax [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(11.1)	(13.3)	(0.3)
Current year net change in other comprehensive income (loss)	(1.3)	2.2	(13.0)
Ending balance	$ (12.4)	$ (11.1)	$ (13.3)