Derivative Financial Instruments (Effect Of Derivative Instruments Designated As Hedging Instruments On The Consolidated Statements Of Operations) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 30, 2011	Dec. 31, 2010	Jan. 01, 2010
Cash Flow Hedges [Member]
Derivatives, Fair Value [Line Items]
Gain (Loss) Recognized in Accumulated OCI, net (Effective Portion)		$ 1.8	$ (3.0)
Cash Flow Hedges [Member] | Cost Of Revenue [Member]
Derivatives, Fair Value [Line Items]
Gain (Loss) Reclassified from Accumulated OCI into Total Cost of Revenue (Effective Portion)		0.6	1.9
Cash Flow Hedges [Member] | Other Income [Member]
Derivatives, Fair Value [Line Items]
(Loss) Recognized in Other Income (Expenses), net: Excluded from Effectiveness Testing Gain (Loss)			(0.3)
Net Investment Hedges [Member]
Derivatives, Fair Value [Line Items]
Gain (Loss) Recognized in Accumulated OCI, net (Effective Portion)	1.9	6.5	2.9
Net Investment Hedges [Member] | Other Income [Member]
Derivatives, Fair Value [Line Items]
(Loss) Recognized in Other Income (Expenses), net: Excluded from Effectiveness Testing Gain (Loss)	$ (0.6)		$ (0.5)