Derivative Instruments and Hedging Activities Other Derivatives (Details) (Not Designated as Hedging Instrument [Member], USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 29, 2012	Sep. 24, 2011	Sep. 29, 2012	Sep. 24, 2011
Other income (expense), net.
Gain (Loss) on Derivative Instruments:
Amount of Gain (Loss) Recognized in Income on Derivative	$ (8.8)	$ (3.0)	$ (13.8)	$ (2.2)
Equity conversion feature of debt | Interest expense, net
Gain (Loss) on Derivative Instruments:
Amount of Gain (Loss) Recognized in Income on Derivative	(7.7)		(13.3)
Equity conversion feature of debt | Other income (expense), net.
Gain (Loss) on Derivative Instruments:
Amount of Gain (Loss) Recognized in Income on Derivative	(0.5)		(0.5)
Commodity swaps | Cost of goods sold
Gain (Loss) on Derivative Instruments:
Amount of Gain (Loss) Recognized in Income on Derivative	(0.6)	(3.0)	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		(0.6)
Option contracts | Other income (expense), net.
Gain (Loss) on Derivative Instruments:
Amount of Gain (Loss) Recognized in Income on Derivative		0		1.5
Foreign currency forwards | Other income (expense), net.
Gain (Loss) on Derivative Instruments:
Amount of Gain (Loss) Recognized in Income on Derivative		$ 0		$ (0.1)