Derivative Instruments (Details) (Cash Flow Hedging [Member], USD $) In Millions, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 30, 2012		Oct. 02, 2011		Sep. 30, 2012		Oct. 02, 2011
Cash Flow Hedging [Member]
Effect of derivative instruments designated as cash flow hedges
Net gain (loss) recognized in AOCI	$ 3.3	[1]	$ (2.7)	[1]	$ 2.6	[1]	$ (2.9)	[1]
Net gain (loss) reclassified from AOCI into cost of sale	(0.4)	[1]	0.2	[1]	(0.9)	[1]	0.5	[1]
Net foreign exchange gain (loss) recognized in other income and expense	$ 0.1	[2]	$ 0.4	[2]	$ 0.4	[2]	$ 0.6	[2]

[1] Effective portion

[2] Amount excluded from effectiveness testing