Derivative Financial Instruments (Effect Of Derivative Instruments Designated As Hedging Instruments On The Consolidated Statements Of Operations) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jul. 01, 2011	Jul. 02, 2010	Jul. 01, 2011	Jul. 02, 2010
Cash Flow Hedges [Member]
Derivatives, Fair Value [Line Items]
Gain (Loss) Recognized in Accumulated OCI, net (Effective Portion)		$ 0.9		$ 1.8
Cash Flow Hedges [Member] | Cost Of Revenue [Member]
Derivatives, Fair Value [Line Items]
Gain Reclassified from Accumulated OCI into Total Cost of Revenue (Effective Portion)		1.0		0.6
Net Investment Hedges [Member]
Derivatives, Fair Value [Line Items]
Gain (Loss) Recognized in Accumulated OCI, net (Effective Portion)	(2.7)	5.9	(10.0)	10.6
Net Investment Hedges [Member] | Other Income [Member]
Derivatives, Fair Value [Line Items]
Loss Recognized in Other (Expense) Income, net: Excluded from Effectiveness Testing Gain (Loss)	$ (0.2)		$ (0.3)