Income Taxes - Details of Income Tax (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 25, 2021	Sep. 26, 2020	Sep. 25, 2021	Sep. 26, 2020
Income Tax Disclosure [Abstract]
Income before income taxes	$ 43,069	$ 8,927	$ 105,627	$ 12,341
Provision for income taxes	$ 6,621	$ 836	$ 10,015	$ 1,230
Effective tax rate	15.00%	9.00%	10.00%	10.00%

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