Derivative Instruments and Hedging Activity - Additional Information (Detail) (USD $)	6 Months Ended
	Jun. 28, 2013	Jun. 29, 2012
Derivative Instruments, Gain (Loss) [Line Items]
Ineffective expense	$ 0	$ 0
Foreign exchange forward [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Notional value of foreign currency forward contracts	17,900,000
Fair value of contracts (less than 0.1 million as of June 28, 2013)	600,000
Precious metal contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Notional value of foreign currency forward contracts	100,000
Fair value of contracts (less than 0.1 million as of June 28, 2013)	100,000
Cash Flow Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Fair value of contracts (less than 0.1 million as of June 28, 2013)	$ 600,000	$ 1,200,000