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Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Jan. 01, 2021	Dec. 27, 2019	Dec. 28, 2018
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 5,473	$ 23,277	$ 23,909
Foreign currency translation adjustment, net of income taxes	982	844	(2,885)
Total comprehensive income	$ 6,455	$ 24,121	$ 21,024

X

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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