Income Taxes - Reconciliation of (Benefit) Provision for Income Taxes 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	Jan. 02, 2016	Sep. 26, 2015	Jun. 27, 2015	Mar. 28, 2015	Dec. 31, 2016	Jan. 02, 2016	Dec. 27, 2014
Income Tax Disclosure [Abstract]
Federal income taxes computed at statutory rate									$ 45,888	$ 67,254	$ (12,931)
State income taxes—net of federal income tax benefit									1,886	2,776	(1,532)
Stock-based compensation									(2,873)	438	131
Non-deductible expenses									4,700	2,911	2,592
Change in the valuation allowance for deferred tax assets									(127,518)	(47,531)	54,571
Net operating loss expirations									1,563	1,860	2,019
Tax credits									(3,217)		(8,179)
Change in unrecognized tax benefits									647	(1,946)	(1,003)
Other									239	(1,127)	300
Total Income tax (benefit) provision	$ (568)	$ (78,359)	$ (565)	$ 807	$ (12,126)	$ (2,063)	$ 74,517	$ (35,693)	$ (78,685)	$ 24,635	$ 35,968