Income Taxes - Significant Components of the Provision for Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2018	Dec. 31, 2017	Jan. 01, 2017
Current:
Federal	$ (4,228)	$ 12,978	$ (6,920)
State	(3,269)	5,292	27
Total current provision (benefit)	(7,497)	18,270	(6,893)
Deferred:
Federal	5,701	(54,232)	39,644
State	3,665	(3,879)	3,298
Total deferred provision (benefit)	9,366	(58,111)	42,942
Income tax expense (benefit)	$ 1,869	$ (39,841)	$ 36,049