Income Taxes - Income Tax (Benefit) Provision (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 30, 2017	Sep. 30, 2017	Jul. 01, 2017	Apr. 01, 2017	Dec. 31, 2016	Oct. 01, 2016	Jul. 02, 2016	Apr. 02, 2016	Dec. 30, 2017	Dec. 31, 2016	Jan. 02, 2016
Current:
Federal									$ 73,792	$ 1,110	$ 5,307
State									9,084	639	1,722
Current income tax provision									82,876	1,749	7,029
Deferred:
Federal									(133,182)	(15,095)	15,117
State									10,254	(65,339)	2,489
Deferred income tax (benefit) provision									(122,928)	(80,434)	17,606
Total income tax (benefit) provision	$ (118,255)	$ 51,268	$ 19,113	$ 7,822	$ (568)	$ (78,359)	$ (565)	$ 807	$ (40,052)	$ (78,685)	$ 24,635