Income Taxes - Reconciliation of (Benefit) Provision for Income Taxes from Continuing Operations (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
Income Tax Disclosure [Abstract]
Federal income taxes computed at statutory rate									$ 141,485	$ 45,888	$ 67,254
State income taxes, net of federal income tax benefit									16,023	1,886	2,776
Stock-based compensation									(26,150)	(2,873)	438
Non-deductible expenses									5,349	4,700	2,911
Change in the valuation allowance for deferred tax assets									(806)	(127,518)	(47,531)
Net operating loss expirations									927	1,563	1,860
Tax credits									(3,675)	(3,217)
Change in unrecognized tax benefits									(1,147)	647	(1,946)
Change in U.S. federal statutory tax rate									(173,057)
Other									999	239	(1,127)
Total income tax (benefit) provision	$ (118,255)	$ 51,268	$ 19,113	$ 7,822	$ (568)	$ (78,359)	$ (565)	$ 807	$ (40,052)	$ (78,685)	$ 24,635