Income Taxes - Significant Components of the Provision for Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 29, 2019	Dec. 30, 2018	Dec. 31, 2017
Current:
Federal	$ 7,505	$ (4,228)	$ 12,978
State	4,173	(3,269)	5,292
Total current provision (benefit)	11,678	(7,497)	18,270
Deferred:
Federal	4,514	5,701	(54,232)
State	(527)	3,665	(3,879)
Total deferred provision (benefit)	3,987	9,366	(58,111)
Income tax expense (benefit)	$ 15,665	$ 1,869	$ (39,841)