Goodwill and Other Intangible Assets - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2013	Jul. 01, 2012	Jun. 30, 2013	Jul. 01, 2012	Dec. 31, 2012
Goodwill And Intangible Assets Disclosure [Abstract]
Amortization expense on other intangible assets	$ 1,600	$ 2,500	$ 3,081	$ 5,300	$ 10,142