Income Taxes - Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 30, 2018	Dec. 31, 2017	Jan. 01, 2017
Current tax expense (benefit):
Federal	$ 1,276	$ (2,668)	$ 8,008
State	1,090	(708)	3,879
Foreign	795	960	1,008
Total current tax expense	3,161	(2,416)	12,895
Deferred tax expense (benefit):
Federal	(8,382)	(72,829)	(11,848)
State	24	(137)	(3,274)
Foreign	176	1,091	(399)
Total deferred tax expense (benefit)	(8,182)	(71,875)	(15,521)
Income tax expense (benefit)	$ (5,021)	$ (74,291)	$ (2,626)