Quarterly report pursuant to Section 13 or 15(d)

Business combinations - Components of Intangible Assets (Details)

v3.21.2
Business combinations - Components of Intangible Assets (Details) - USD ($)
$ in Thousands
Jun. 30, 2021
Sep. 30, 2020
Finite-Lived Intangible Assets [Line Items]    
Cost $ 1,014,939 $ 245,397
Accumulated Amortization 122,452 99,504
Intangible Assets, net 892,487 145,893
Customer contracts and relationships    
Finite-Lived Intangible Assets [Line Items]    
Cost 921,023 235,287
Accumulated Amortization 112,546 90,302
Intangible Assets, net 808,477 144,985
VES Provider network    
Finite-Lived Intangible Assets [Line Items]    
Cost 57,000 0
Accumulated Amortization 396 0
Intangible Assets, net 56,604 0
Technology-based intangible assets    
Finite-Lived Intangible Assets [Line Items]    
Cost 32,400 5,631
Accumulated Amortization 4,994 4,723
Intangible Assets, net 27,406 908
Trademarks and trade names    
Finite-Lived Intangible Assets [Line Items]    
Cost 4,516 4,479
Accumulated Amortization 4,516 4,479
Intangible Assets, net $ 0 $ 0