Income Taxes - Effective tax rate (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 24, 2022	Sep. 25, 2021	Sep. 24, 2022	Sep. 25, 2021
Income Taxes
Income (loss) before income taxes	$ 3,964	$ (1,117)	$ (28,659)	$ 13,972
Effective income tax (expense) benefit	$ (2,500)	$ (3,497)	$ 3,895	$ (8,213)
Effective tax rate	63.10%	(313.10%)	13.60%	58.80%
Federal income tax rate	21.00%	21.00%	21.00%	21.00%

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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+ Details

- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References + Details