Business Acquisitions - Pro Forma Revenues and Net Income (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Sep. 30, 2023 |
Sep. 30, 2022 |
Sep. 30, 2021 |
|
| Business Combinations [Abstract] | |||
| Pro forma revenues | $ 1,588,268 | $ 1,412,313 | $ 1,021,378 |
| Pro forma net income | $ 48,923 | $ 22,175 | $ 20,976 |
| X | ||||||||||
- Definition The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- References No definition available.
|