Income Taxes - Provision for Income Taxes Attributable to Income from Continuing Operations (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Oct. 01, 2016	Jul. 02, 2016	Apr. 02, 2016	Dec. 31, 2015	Sep. 26, 2015	Jun. 27, 2015	Mar. 28, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Current:
U.S. Federal									$ 7,432	$ 19,544	$ 20,822
State									748	4,469	4,838
Foreign									284	449	590
Current income taxes provision, Total									8,464	24,462	26,250
Deferred:
U.S. Federal									6,521	1,183	489
State									140	(730)	891
Foreign									36	89	99
Deferred income taxes provision, Total									6,697	542	1,479
Total	$ 1,687	$ 3,122	$ 5,724	$ 4,628	$ 5,782	$ 5,754	$ 8,300	$ 5,168	$ 15,161	$ 25,004	$ 27,729