Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets - Summary of Amortization Expense for Acquired Intangibles (Detail)

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Intangible Assets - Summary of Amortization Expense for Acquired Intangibles (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 29, 2013
Jun. 30, 2012
Jun. 29, 2013
Jun. 30, 2012
Goodwill And Intangible Assets Disclosure [Abstract]        
Amortization Expense $ 468 $ 304 $ 935 $ 653