Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Jan. 02, 2021	Sep. 26, 2020	Jun. 27, 2020	Mar. 28, 2020	Dec. 28, 2019	Sep. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018
Components of Income Before Income Taxes [Abstract]
United States									$ 30,619	$ 51,007	$ 44,693
Foreign									(6,572)	24,300	11,702
Income before income taxes	$ 7,156	$ 16,362	$ 13,544	$ (13,015)	$ 16,861	$ 15,462	$ 21,925	$ 21,059	$ 24,047	$ 75,307	$ 56,395

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