Commitments and Contingencies - Future Minimum Lease Payments Under Operating and Capital Leases (Detail) $ in Thousands	9 Months Ended
Oct. 03, 2015 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Document Period End Date	Oct. 03, 2015
Operating Leases
2015 (balance of year)	$ 1,058
2016	3,314
2017	2,930
2018	2,714
2019	2,291
Thereafter	1,033
Total	13,340
Capital Leases
2015 (balance of year)	4
2016	88
2017	82
2018	8
2019	8
Thereafter	3
Total	193
Total
2015 (balance of year)	1,062
2016	3,402
2017	3,012
2018	2,722
2019	2,299
Thereafter	1,036
Total	$ 13,533

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