Derivatives and Other Financial Instruments and Hedging Activities (Details) (USD $) In Thousands, unless otherwise specified	Sep. 29, 2012		Dec. 31, 2011
Summary of aggregate notional amount and estimated fair value of derivative instruments
Derivative, Notional, Net value	$ 26,488		$ 43,945
Derivative instrument, Fair Value	(2,664)		(3,954)
Foreign exchange contracts [Member]
Summary of aggregate notional amount and estimated fair value of derivative instruments
Derivative, Notional, Net value	26,488	[1]	40,265	[1]
Derivative instrument, Fair Value	(2,664)	[1]	(3,807)	[1]
Foreign exchange contracts - undesignated [Member]
Summary of aggregate notional amount and estimated fair value of derivative instruments
Derivative, Notional, Net value	0	[2]	3,680	[2]
Derivative instrument, Fair Value	$ 0	[2]	$ (147)	[2]

[1] As disclosed above, the Company entered into the June 2011 FX Forward Contracts on June 30, 2011.

[2] As disclosed above, the January 2011 FX Forward Contracts were undesignated as a hedge on July 8, 2011 due to commercial acceptance of the New China Healthcare Line and subsequent recording of the remaining liability. The January 2011 FX Forward Contracts expired in March 2012 in conjunction with the final payment of the equipment purchase contract for the New China Healthcare Line.