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Commitments and Contingencies - Summary of Future Minimum Rental Payments under Operating Leases (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jul. 02, 2016
Jun. 27, 2015
Jul. 02, 2016
Jun. 27, 2015
Commitments and Contingencies Disclosure [Abstract]        
Rental expense under operating leases $ 1,500 $ 1,200 $ 2,900 $ 2,400
Disclosure Summary Of Future Minimum Rental Payments Under Operating Leases [Abstract]        
Remainder of 2016 2,071   2,071  
2017 4,577   4,577  
2018 4,459   4,459  
2019 4,216   4,216  
2020 2,126   2,126  
Thereafter 3,228   3,228  
Total minimum lease payments 20,677   20,677  
Disposal Group, Including Discontinued Operation, Consideration 45,000   45,000  
Thereafter $ 1,575   $ 1,575