Other Income and Expense (Details) (USD $) In Millions	3 Months Ended				9 Months Ended
	Sep. 24, 2011		Sep. 25, 2010		Sep. 24, 2011		Sep. 25, 2010
Other income and expense:
Other income (expense), net	$ (2.3)		$ 41.6		$ (4.8)		$ 54.4
Gain (loss) from Foster's swap and related financial instruments
Other income and expense:
Other income (expense), net	0	[1]	42.3	[1]	0.8	[1]	57.3	[1]
Gain (loss) from other foreign exchange and derivative activity
Other income and expense:
Other income (expense), net	(2.7)		(0.3)		(6.7)		(3.1)
Environmental reserve
Other income and expense:
Other income (expense), net	0		0		(0.1)		(0.1)
Other, net
Other income and expense:
Other income (expense), net	$ 0.4		$ (0.4)		$ 1.2		$ 0.3

[1] During January 2011, we settled the remaining Foster's total return swap and related financial instruments.