Income Taxes - Effective tax rate (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jul. 01, 2023	Jun. 25, 2022	Jul. 01, 2023	Jun. 25, 2022
Income Taxes
Income (loss) before income taxes	$ 8,392	$ (39,391)	$ 21,109	$ (32,623)
Effective income tax (expense) benefit	$ (3,003)	$ 9,106	$ (7,874)	$ 6,395
Effective tax rate	35.80%	23.10%	37.30%	19.60%
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