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Fair Value Measurements - Reconciliation of Changes in Earn-Out Liability, Level 3 (Details)
$ in Thousands
9 Months Ended
Oct. 25, 2020
USD ($)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]  
Beginning balance $ 2,108
Transferred out of Level 3 (1,958)
Ending balance 0
Contingent Obligation  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]  
Changes in fair value of obligations (33)
Non-Contingent Obligation  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]  
Changes in fair value of obligations $ (117)