Derivative Financial Instruments (Company's Derivative Positions and Their Impact on Company's Operations) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 25, 2010	Dec. 26, 2009
Fair Value Hedging [Member] | Other Expense [Member] | Foreign Exchange Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain or (loss) recognized in income on derivatives	$ (8.6)	$ 8.5	$ 32.6
Amount of gain or (loss) recognized in income on related hedged items	8.5	(9.0)	(32.8)
Cash Flow Hedging [Member] | Interest Rate Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain or (loss) recognized in OCI on derivatives (effective portion)	4.1	4.6	8.5
Cash Flow Hedging [Member] | Foreign Exchange Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain or (loss) recognized in OCI on derivatives (effective portion)	0.2	(0.2)	(0.5)
Cash Flow Hedging [Member] | Interest Expense [Member] | Interest Rate Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain or (loss) reclassified from accumulated OCI into income (effective portion)	0	0	0
Amount of gain or (loss) recognized in income on derivatives (ineffective portion and amount excluded from effectiveness testing)	(18.9)	0.2	(0.4)
Cash Flow Hedging [Member] | Interest Expense [Member] | Foreign Exchange Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain or (loss) recognized in income on derivatives (ineffective portion and amount excluded from effectiveness testing)	(2.0)	(2.6)	(2.6)
Cash Flow Hedging [Member] | Cost of Products Sold and DS&A [Member] | Foreign Exchange Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain or (loss) reclassified from accumulated OCI into income (effective portion)	(1.9)	0.6	4.3
Net Equity Hedging [Member] | Foreign Exchange Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain or (loss) recognized in OCI on derivatives (effective portion)	18.7	(14.1)	(14.8)
Net Equity Hedging [Member] | Interest Expense [Member] | Foreign Exchange Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain or (loss) recognized in income on derivatives (ineffective portion and amount excluded from effectiveness testing)	(11.2)	(8.0)	(4.0)
Net Equity Hedging [Member] | Other Expense [Member] | Foreign Exchange Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain or (loss) reclassified from accumulated OCI into income (effective portion)	$ 0	$ 0	$ 0