Other Expense, Net (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Apr. 02, 2011
Other Expense, Net Disclosure
Interest Income	$ 6.4	$ 5.0
Interest Expense	(57.7)	(27.8)
Other Items, Net	1.4	0.3
Other Expense, Net	(49.9)	(22.5)
Losses on Extinguishment of Debt	$ 0.5