Derivative Instruments (Narrative) (Details) (USD $) In Millions	6 Months Ended
	Jul. 02, 2011	Jul. 03, 2010
Derivative Instruments
Collateral deposits on derivative financial instruments	$ 0
Net derivative gains on closed hedge instruments in AOCI that will be realized in earnings when the hedged items impact earnings	3.4	(0.4)
Notional amount of receive-variable/pay-fixed interest rate swaps	250.0
Net AOCI balance	(4.1)
Net current deferred gains expected to be realized	$ 8.1