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Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)
$ in Thousands
Jun. 27, 2015
Dec. 27, 2014
Disclosure Summary Of Significant Accounting Policies Additional Information [Abstract]    
Finite-Lived Intangible Assets, Gross $ 27,000 $ 31,500
Finite-Lived Intangible Assets, Net $ 17,401 $ 19,146