Income Taxes - Components of Income Tax Expense (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 26, 2020	Dec. 31, 2019	Dec. 31, 2018
Current:
Federal	$ 1,466	$ (27)	$ 4,423
State	371	88	1,038
Foreign	5,637	1,548	626
Total current	7,474	1,609	6,087
Deferred:
Federal	(10,355)	(4,730)	1,961
State	(1,036)	506	(73)
Foreign	(240)	108	275
Total deferred	(11,631)	(4,116)	2,163
Total income tax expense (benefit)	$ (4,157)	$ (2,507)	$ 8,250

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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