Accrued Liabilities (Detail) - USD ($) $ in Thousands	Oct. 03, 2015	Dec. 31, 2014	Sep. 27, 2014
Payables and Accruals [Abstract]
Accrued compensation	$ 18,560	$ 25,352
Accrued income and sales tax	1,524	1,580
Customer deposits	698	1,139
Interest payable	249	9,439
Provision for forward loss reserves	13,540	4,734
Other	8,863	9,822
Total	$ 43,434	$ 52,066	$ 46,787