Annual report [Section 13 and 15(d), not S-K Item 405]

Goodwill And Intangible Assets - Components of Intangible Assets (Details)

v3.25.3
Goodwill And Intangible Assets - Components of Intangible Assets (Details) - USD ($)
$ in Thousands
Sep. 30, 2025
Sep. 30, 2024
Finite-Lived Intangible Assets [Line Items]    
Cost $ 980,451 $ 982,055
Accumulated Amortization 442,185 351,486
Intangible Assets, Net 538,266 630,569
Customer contracts and relationships    
Finite-Lived Intangible Assets [Line Items]    
Cost 869,638 870,810
Accumulated Amortization 382,107 309,067
Intangible Assets, Net 487,531 561,743
VES Provider network    
Finite-Lived Intangible Assets [Line Items]    
Cost 57,000 57,000
Accumulated Amortization 20,583 15,833
Intangible Assets, Net 36,417 41,167
Technology-based intangible assets    
Finite-Lived Intangible Assets [Line Items]    
Cost 31,502 31,586
Accumulated Amortization 31,502 20,786
Intangible Assets, Net 0 10,800
Assembled workforce    
Finite-Lived Intangible Assets [Line Items]    
Cost 17,851 18,185
Accumulated Amortization 3,533 1,326
Intangible Assets, Net 14,318 16,859
Trademarks and trade names    
Finite-Lived Intangible Assets [Line Items]    
Cost 4,460 4,474
Accumulated Amortization 4,460 4,474
Intangible Assets, Net $ 0 $ 0