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Other Long Term Liabilities (Details) - USD ($)
$ in Thousands
Apr. 02, 2021
Dec. 31, 2020
Other Liabilities Disclosure [Abstract]    
Finance lease obligations $ 5,760 $ 5,908
Accrued pension liabilities 1,132 1,511
Accrued contingent considerations 4,999 7,276
Other 2,445 2,471
Total $ 14,336 $ 17,166