Accrued Liabilities (Detail) - USD ($) $ in Thousands	Apr. 02, 2016	Dec. 31, 2015
Payables and Accruals [Abstract]
Accrued compensation	$ 17,602	$ 13,521
Accrued income tax and sales tax	5,358	1,513
Customer deposits	2,275	1,758
Interest payable	103	58
Provision for forward loss reserves	10,194	11,925
Other	6,964	7,683
Total	$ 42,496	$ 36,458