Financial Instruments Measured at Fair Value - Derivatives (Details) (USD $) In Thousands, unless otherwise specified							3 Months Ended				9 Months Ended														3 Months Ended				9 Months Ended				3 Months Ended				9 Months Ended
	Sep. 29, 2012	Dec. 31, 2011	Sep. 29, 2012 Interst Rate Swaps Converting Senior Notes Due in 2013 [Member]	Dec. 31, 2011 Interst Rate Swaps Converting Senior Notes Due in 2013 [Member]	Sep. 29, 2012 Not Designated as Hedging Instrument [Member]	Dec. 31, 2011 Not Designated as Hedging Instrument [Member]	Sep. 29, 2012 Not Designated as Hedging Instrument [Member] Foreign Exchange Contract [Member]		Oct. 01, 2011 Not Designated as Hedging Instrument [Member] Foreign Exchange Contract [Member]		Sep. 29, 2012 Not Designated as Hedging Instrument [Member] Foreign Exchange Contract [Member]		Oct. 01, 2011 Not Designated as Hedging Instrument [Member] Foreign Exchange Contract [Member]		Sep. 29, 2012 Not Designated as Hedging Instrument [Member] Foreign Exchange Contract [Member] Other Current Assets [Member]	Dec. 31, 2011 Not Designated as Hedging Instrument [Member] Foreign Exchange Contract [Member] Other Current Assets [Member]	Sep. 29, 2012 Not Designated as Hedging Instrument [Member] Foreign Exchange Contract [Member] Accrued Liabilities [Member]	Dec. 31, 2011 Not Designated as Hedging Instrument [Member] Foreign Exchange Contract [Member] Accrued Liabilities [Member]	Sep. 29, 2012 Designated as Hedging Instrument [Member]	Dec. 31, 2011 Designated as Hedging Instrument [Member]	Sep. 29, 2012 Cash Flow Hedging [Member] Interest Rate Swap [Member] Accrued Liabilities [Member]	Dec. 31, 2011 Cash Flow Hedging [Member] Interest Rate Swap [Member] Accrued Liabilities [Member]	Sep. 29, 2012 Cash Flow Hedging [Member] Interest Rate Swap [Member] Other Liabilities [Member]	Dec. 31, 2011 Cash Flow Hedging [Member] Interest Rate Swap [Member] Other Liabilities [Member]	Sep. 29, 2012 Cash Flow Hedging [Member] Designated as Hedging Instrument [Member] Interest Rate Swap [Member]		Oct. 01, 2011 Cash Flow Hedging [Member] Designated as Hedging Instrument [Member] Interest Rate Swap [Member]		Sep. 29, 2012 Cash Flow Hedging [Member] Designated as Hedging Instrument [Member] Interest Rate Swap [Member]		Oct. 01, 2011 Cash Flow Hedging [Member] Designated as Hedging Instrument [Member] Interest Rate Swap [Member]		Sep. 29, 2012 Cash Flow Hedging [Member] Designated as Hedging Instrument [Member] Foreign Exchange Contract [Member]		Oct. 01, 2011 Cash Flow Hedging [Member] Designated as Hedging Instrument [Member] Foreign Exchange Contract [Member]		Sep. 29, 2012 Cash Flow Hedging [Member] Designated as Hedging Instrument [Member] Foreign Exchange Contract [Member]		Oct. 01, 2011 Cash Flow Hedging [Member] Designated as Hedging Instrument [Member] Foreign Exchange Contract [Member]		Sep. 29, 2012 Cash Flow Hedging [Member] Designated as Hedging Instrument [Member] Foreign Exchange Contract [Member] Other Current Assets [Member]	Dec. 31, 2011 Cash Flow Hedging [Member] Designated as Hedging Instrument [Member] Foreign Exchange Contract [Member] Other Current Assets [Member]	Sep. 29, 2012 Cash Flow Hedging [Member] Designated as Hedging Instrument [Member] Foreign Exchange Contract [Member] Accrued Liabilities [Member]	Dec. 31, 2011 Cash Flow Hedging [Member] Designated as Hedging Instrument [Member] Foreign Exchange Contract [Member] Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivative, Fair Value, Net	$ (11,156)	$ (3,658)	$ (11,243)	$ (3,009)	$ 100	$ (81)									$ 2,188	$ 2,218	$ (2,088)	$ (2,299)	$ (11,256)	$ (3,577)	$ (11,243)	$ 0	$ 0	$ (3,009)																	$ 239	$ 73	$ (252)	$ (641)
Derivative Instruments, Gain (Loss) Recognized in Income, Net							(343)	[1]	510	[1]	(1,688)	[1]	(2,667)	[1]
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income, Effective Portion, Net																									(2,155)	[2]	(287)	[2]	(8,234)	[2]	(287)	[2]	370	[3]	(1,150)	[3]	606	[3]	(435)	[3]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net																									0	[2]	0	[2]	0	[2]	0	[2]	10	[3]	(116)	[3]	(47)	[3]	(77)	[3]
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net																									0	[2]	0	[2]	0	[2]	0	[2]	0	[3]	0	[3]	0	[3]	0	[3]
Notional Amount of Foreign Currency Derivatives	344,868	332,881
Notional Amount of Interest Rate Derivatives			175,000
Debt Instrument, Interest Rate, Stated Percentage			2.63%
Business Acquisition, Contingent Consideration, Potential Cash Payment	18,000
Fair Value Measurement Contingent Consideration Current	52
Fair Value Measurement Contingent Consideration Noncurrent	$ 6,013

[1] (a)The amount of gain (loss) recognized in income on derivatives is recorded in "Cost of sales" in the company's consolidated statements of operations.

[2] (b)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.

[3] (c)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.