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Goodwill and Intangible Assets (Tables)
6 Months Ended
Mar. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill The following table summarizes changes in the balance of goodwill during the six months ended March 31, 2023 (amounts shown in thousands):
Balance at September 30, 2022$120,186 
Foreign currency effect on goodwill9,962 
Balance at March 31, 2023$130,148 
Schedule of Intangible Assets Intangible assets as of March 31, 2023 and September 30, 2022, respectively, are summarized as follows (amounts in thousands, except for years):
March 31, 2023:Weighted Average Amortization Period (in years)CostAccumulated AmortizationNet
Completed technologies6.9$95,761 $32,601 $63,160 
Customer relationships4.725,168 20,038 5,130 
Trade names5.07,088 2,299 4,789 
Covenants not to compete3.0600 229 371 
Total intangible assets $128,617 $55,167 $73,450 
September 30, 2022:Weighted Average Amortization Period (in years)CostAccumulated AmortizationNet
Completed technologies6.9$95,761 $32,265 $63,496 
Customer relationships4.725,168 18,241 6,927 
Trade names5.07,088 2,174 4,914 
Covenants not to compete3.0600 181 419 
Total intangible assets $128,617 $52,861 $75,756 
Schedule of Estimated Future Amortization Expense The estimated future amortization expense related to intangible assets for each of the five succeeding fiscal years is expected to be as follows (amounts in thousands):
 Estimated Future Amortization Expense
2023 - remaining7,995 
202414,838 
202513,574 
202612,345 
202711,217 
Thereafter13,481 
Total$73,450