Derivative Instruments and Hedging Activities Cash Flow Hedges (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended			6 Months Ended
	Jun. 30, 2012	Jun. 25, 2011		Jun. 30, 2012	Jun. 25, 2011
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized (loss) gain on derivative instruments, net of tax	$ (15.3)
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	4.9
Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized (loss) gain on derivative instruments, net of tax	(4.6)	9.1		2.1	1.5
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	(2.5)	(4.2)		(4.9)	(35.3)
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net	0	0		0	0
Cash Flow Hedging [Member] | Interest Rate Swap [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized (loss) gain on derivative instruments, net of tax	0	0.3		0	0.6
Cash Flow Hedging [Member] | Interest Rate Swap [Member] | Interest expense, net
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	(0.4)	(0.3)		(0.8)	(0.6)
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net	0	0		0	0
Cash Flow Hedging [Member] | Cross currency swaps
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized (loss) gain on derivative instruments, net of tax		1.3	[1]		(1.8)	[1]
Cash Flow Hedging [Member] | Cross currency swaps | Other Income Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net		6.6			(16.9)
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net		0			0
Cash Flow Hedging [Member] | Cross currency swaps | Interest expense, net
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net		(3.6)			(7.0)
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net		0			0
Cash Flow Hedging [Member] | Foreign currency forwards
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized (loss) gain on derivative instruments, net of tax	(5.2)	8.8		2.8	0.1
Cash Flow Hedging [Member] | Foreign currency forwards | Other Income Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	(0.4)	(2.9)		(1.0)	(4.6)
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net	0	0		0	0
Cash Flow Hedging [Member] | Foreign currency forwards | Cost of Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	(1.3)	(4.0)		(2.4)	(6.4)
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net	0	0		0	0
Cash Flow Hedging [Member] | Commodity swaps
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized (loss) gain on derivative instruments, net of tax	0.6	(1.3)		(0.7)	2.6
Cash Flow Hedging [Member] | Commodity swaps | Cost of Sales [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	(0.4)	0		(0.7)	0.2
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net	0	0		0	0
Net Investment Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized (loss) gain on derivative instruments, net of tax	(7.3)			13.2
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net				0
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net				0
Net Investment Hedging [Member] | Cross currency swaps
Derivative Instruments, Gain (Loss) [Line Items]
Unrealized (loss) gain on derivative instruments, net of tax	(7.3)			13.2
Net Investment Hedging [Member] | Cross currency swaps | Other Income Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	0			0
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net	$ 0			$ 0

[1] The foreign exchange gain (loss) component of these cross currency swaps is offset by the corresponding gain (loss) on the hedged forecasted transactions in Other income (expense), net and Interest expense, net.