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Fair Value Measurements (Details) - USD ($)
$ in Thousands
Jun. 30, 2023
Mar. 31, 2023
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Sep. 30, 2021
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]            
Goodwill $ 342,292   $ 340,477      
Fair Value, Inputs, Level 3            
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]            
Contingent consideration fair value 0 $ 0 0 $ 6,200 $ 6,200 $ 6,200
Total liabilities measured at fair value 0   0      
Estimate of Fair Value Measurement | Haxiot | Contingent Consideration | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3            
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]            
Contingent consideration fair value 0   0      
Estimate of Fair Value Measurement | Ctek, Inc. ("Ctek") | Contingent Consideration | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3            
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]            
Contingent consideration fair value $ 0   $ 0