Financial Instruments Measured at Fair Value - Derivatives (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				9 Months Ended
	Oct. 01, 2011		Oct. 02, 2010		Oct. 01, 2011		Oct. 02, 2010		Dec. 31, 2010
Derivatives, Fair Value [Line Items]
Derivative, Fair Value, Net	$ (7)				$ (7)				$ 13,588
Notional Amount of Foreign Currency Derivatives	370,601				370,601				297,868
Senior Notes Due in 2013 [Member]
Derivatives, Fair Value [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.875%				6.875%
Notes Due in 2015 [Member]
Derivatives, Fair Value [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	3.375%				3.375%
Interest Rate Swap [Member] | Fair Value Hedging [Member] | Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative, Fair Value, Net	0				0				14,756
Interest Rate Swap [Member] | Fair Value Hedging [Member] | Designated as Hedging Instrument [Member] | Other Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative, Fair Value, Net	0				0				(674)
Fair Value Hedging [Member] | Interst Rate Swaps Converting Senior Notes Due in 2013 [Member]
Derivatives, Fair Value [Line Items]
Derivative, Fair Value, Net									14,756
Notional Amount of Interest Rate Derivatives	275,000				275,000
Derivative, Variable Interest Rate									4.37%
Fair Value Hedging [Member] | Interest Rate Swaps Converting Notes Due in 2015 [Member]
Derivatives, Fair Value [Line Items]
Derivative, Fair Value, Net									(674)
Notional Amount of Interest Rate Derivatives	250,000				250,000
Derivative, Variable Interest Rate									1.38%
Net Investment Hedging [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income, Effective Portion, Net			0				52,158
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net			0				0
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net			0				(91)
Net Investment Hedging [Member] | Designated as Hedging Instrument [Member] | Currency Swap [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income, Effective Portion, Net			0	[1]			52,158	[1]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net			0	[1]			0	[1]
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net			0	[1]			(91)	[1]
Interest Rate Swap [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income, Effective Portion, Net	(287)				(287)
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	0				0
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net	0				0
Interest Rate Swap [Member] | Cash Flow Hedging [Member] | Other Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative, Fair Value, Net	(287)				(287)				0
Foreign Exchange Contract [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income, Effective Portion, Net	(1,150)	[2]	1,257	[2]	(435)	[2]	637	[2]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	(116)	[2]	83	[2]	(77)	[2]	(7)	[2]
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net	0	[2]	0	[2]	0	[2]	0	[2]
Foreign Exchange Contract [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative, Fair Value, Net	120				120				271
Foreign Exchange Contract [Member] | Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member] | Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative, Fair Value, Net	(541)				(541)				(177)
Cash Flow Hedging [Member] | Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income, Effective Portion, Net	(1,437)		1,257		(722)		637
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	(116)		83		(77)		(7)
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net	0		0		0		0
Foreign Exchange Contract [Member] | Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments, Gain (Loss) Recognized in Income, Net	510	[3]	(4,608)	[3]	(2,667)	[3]	(1,171)	[3]
Foreign Exchange Contract [Member] | Not Designated as Hedging Instrument [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative, Fair Value, Net	4,396				4,396				1,778
Foreign Exchange Contract [Member] | Not Designated as Hedging Instrument [Member] | Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative, Fair Value, Net	(3,695)				(3,695)				(2,366)
Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative, Fair Value, Net	701				701				(588)
Derivative Instruments, Gain (Loss) Recognized in Income, Net	510		(4,608)		(2,667)		(1,171)
Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative, Fair Value, Net	(708)				(708)				14,176
Interst Rate Swaps Converting Senior Notes Due in 2013 [Member]
Derivatives, Fair Value [Line Items]
Derivative, Fair Value, Net	(287)				(287)
Notional Amount of Interest Rate Derivatives	175,000				175,000
Deferred Gain (Loss) on Discontinuation of Interest Rate Fair Value Hedge	12,203				12,203
Debt Instrument, Interest Rate, Stated Percentage	2.6255%				2.6255%
Interest Rate Swaps Converting Notes Due in 2015 [Member]
Derivatives, Fair Value [Line Items]
Deferred Gain (Loss) on Discontinuation of Interest Rate Fair Value Hedge	$ 11,856				$ 11,856

[1] Both the effective and ineffective portions of any gain/(loss) reclassified or recognized in income are recorded in "Interest and other financing expense, net" in the company's consolidated statements of operations.

[2] Both the effective and ineffective portions of any gain/(loss) reclassified or recognized in income are recorded in "Cost of sales" in the company's consolidated statements of operations.

[3] The amount of gain/(loss) recognized in income on derivatives is recorded in "Cost of sales" in the accompanying consolidated statements of operations.