Other Income (Expense) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Oct. 01, 2010	Sep. 30, 2011	Oct. 01, 2010
Other income (expense)	$ 31.5	$ (7.7)	$ 28.4	$ 31.8
Pre-tax charge on foreign currency devaluation transaction related to Venezuelan Bolivar				29.8
Prior official exchange rates of essential goods for BsF, per US dollar		2.60		2.60
New official exchange rates of all goods for BsF per U.S. dollar	4.30		4.30
Foreign currency gains related to copper imports at the essential rate		12.2		16.6
Foreign exchange losses related to copper imports at the parallel rate				10.7
Parent Company [Member]
Other income (expense)	$ 0.1		$ 0.1