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Fair Value Measurements (Reconciliation of Liability) (Details) - Fair Value, Inputs, Level 3 - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Fair value at beginning of period $ 0 $ 6,200 $ 0 $ 6,200
Change in fair value of contingent consideration 0 0 0 0
Fair value at end of period 0 $ 6,200 0 $ 6,200
Contingent Consideration | Estimate of Fair Value Measurement | Fair Value, Measurements, Recurring | Ctek, Inc. ("Ctek")        
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Fair value at beginning of period     0  
Fair value at end of period 0   0  
Contingent Consideration | Estimate of Fair Value Measurement | Fair Value, Measurements, Recurring | Haxiot        
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Fair value at beginning of period     0  
Fair value at end of period $ 0   $ 0