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v3.23.3

Segment Information - Schedule of Revenues from External Customers by Geographical Areas (Details) $ in Thousands | 12 Months Ended
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Sep. 30, 2023 USD ($) segment | Sep. 30, 2022 USD ($) | Sep. 30, 2021 USD ($)
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Reportable segments | segment | 1 |  |
Revenues | $ 699,308 | $ 532,582 | $ 470,559
United States |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Revenues | 557,934 | 404,973 | 351,422
Canada |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Revenues | 84,090 | 81,218 | 68,655
Middle East and Africa |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Revenues | 14,998 | 20,712 | 26,615
Asia/Pacific |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Revenues | 6,188 | 4,885 | 8,889
Europe |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Revenues | 26,699 | 17,699 | 13,027
Mexico, Central and South America |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |
Revenues | $ 9,399 | $ 3,095 | $ 1,951

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