Derivative Instruments and Hedging Activities Other Derivatives(Details) (USD $) In Millions	3 Months Ended		9 Months Ended
	Sep. 24, 2011	Sep. 25, 2010	Sep. 24, 2011	Sep. 25, 2010
Commodity swaps | Cost of goods sold
Gain (Loss) on Derivative Instruments:
Amount of Gain (Loss) Recognized in Income on Derivative	$ (3.0)		$ (3.0)
Cash settled total return swap | Other income (expense), net.
Gain (Loss) on Derivative Instruments:
Amount of Gain (Loss) Recognized in Income on Derivative	0	43.2	(0.6)	58.2
Option contracts | Other income (expense), net.
Gain (Loss) on Derivative Instruments:
Amount of Gain (Loss) Recognized in Income on Derivative	0	(0.9)	1.5	(0.9)
Foreign currency forwards | Other income (expense), net.
Gain (Loss) on Derivative Instruments:
Amount of Gain (Loss) Recognized in Income on Derivative	0	(1.3)	(0.1)	(1.3)
Other income (expense), net.
Gain (Loss) on Derivative Instruments:
Amount of Gain (Loss) Recognized in Income on Derivative	$ (3.0)	$ 41.0	$ (2.2)	$ 56.0