Derivative Instruments and Hedging Activity (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 30, 2012	Apr. 01, 2011
Effective Portion of Hedge
Recognized in OCI at End of Period	$ 1,197	$ (1,844)
Reclassified from OCI into Income During Period, Amount	466	(610)
Ineffective Portion of Hedge
Recognized in Income on Derivative During Period, Amount
Forward contracts [Member] | Other-net [Member]
Effective Portion of Hedge
Reclassified from OCI into Income During Period, Amount	415	(610)
Ineffective Portion of Hedge
Recognized in Income on Derivative During Period, Amount
Precious Metal Contracts [Member] | Cost of sales [Member]
Effective Portion of Hedge
Recognized in OCI at End of Period
Reclassified from OCI into Income During Period, Amount	51
Ineffective Portion of Hedge
Recognized in Income on Derivative During Period, Amount
Foreign currency contracts [Member] | Forward contracts [Member]
Effective Portion of Hedge
Recognized in OCI at End of Period	$ 1,197	$ (1,844)