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FAIR VALUE MEASUREMENT - Reconciliation For Contingent Consideration Liability (Details) - Level 3
$ in Thousands
3 Months Ended
Mar. 28, 2020
USD ($)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]  
Beginning balance $ 1,482
Change in fair value measurement of liability 120
Ending balance $ 1,602