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Consolidated Statements of Comprehensive Income - USD ($)
$ in Thousands
12 Months Ended
Dec. 28, 2018
Dec. 29, 2017
Dec. 30, 2016
Statement Of Income And Comprehensive Income [Abstract]      
Net income $ 23,909 $ 27,354 $ 21,541
Foreign currency translation adjustment (2,885) 3,040 (3,577)
Total comprehensive income $ 21,024 $ 30,394 $ 17,964