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Fair Value Measurements - Changes in Fair Value of Level 3 Contingent Considerations (Details) - Significant Other Unobservable Inputs (Level 3)
$ in Thousands
9 Months Ended
Oct. 01, 2021
USD ($)
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]  
Beginning balance $ 11,556
Acquisition of ATI 51,900
Payments (4,036)
Fair value adjustments 26
Effect of foreign exchange rates (372)
Ending balance $ 59,074