Derivative Financial Instruments (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011
Derivative [Line Items]
Current Fiscal Year End Date	--12-29
Unrealized Gain (Loss) on Cash Flow Hedging Instruments	$ (17.4)
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred	0.3	(2.5)
Notional amount of receive-variable/pay-fixed interest rate swaps	250.0
Derivative Assets, Current		2.8
Derivative Liabilities Non current	$ (6.3)	$ (26.1)