Income Taxes - Schedule of Components of Provision (Benefit) for Income Taxes (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jul. 01, 2017	Apr. 01, 2017	Dec. 31, 2016	Oct. 01, 2016	Jul. 02, 2016	Apr. 02, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Current tax expense (benefit)
Federal									$ 2,387	$ 5,953	$ (1,511)
State									525	2,982	(418)
Current Income Tax Expense (Benefit), Total									2,912	8,935	(1,929)
Deferred tax (benefit) expense
Federal									(15,515)	3,876	(28,011)
State									135	41	(1,771)
Deferred Income Tax (Benefit) Expense, Total									(15,380)	3,917	(29,782)
Income tax (benefit) expense	$ (14,541)	$ 940	$ 741	$ 392	$ 2,989	$ 1,234	$ 1,470	$ 7,159	$ (12,468)	$ 12,852	$ (31,711)