Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended		9 Months Ended
	Oct. 02, 2016	Jul. 03, 2016	Sep. 27, 2015	Jul. 03, 2016	Jun. 28, 2015	Oct. 02, 2016	Sep. 27, 2015	Jan. 03, 2016
Tax Credit Carryforward [Line Items]
Effective income tax rate	48.70%	48.70%	32.00%	41.80%	66.80%	41.80%	66.80%
Deferred income taxes						$ (10,329)	$ (19,101)
Unrecognized tax benefits		$ 3,700		$ 3,700				$ 3,300
Unrecognized tax benefits that would decrease effective tax rate and provision for income taxes, if recognized		1,200		1,200
Expected decrease in unrecognized tax benefits within next twelve months		200		200
Total amount of interest and penalties accrued related to unrecognized tax benefits		$ 1,000		$ 1,000				$ 1,700