v3.26.1
Discontinued Operations, Goodwill and Intangible Assets - Schedule of Gross Amount and Accumulated Amortization of Identifiable Intangible Assets with Finite Useful Lives (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Sep. 30, 2025
Intangible Asset, Finite-Lived [Line Items]    
Gross Amount $ 221,500 $ 185,800
Accumulated Amortization (46,500) (2,500)
Intangible Assets, Net 175,013 183,284
Backlog and Customer relationships    
Intangible Asset, Finite-Lived [Line Items]    
Gross Amount 7,400 7,400
Accumulated Amortization (3,700) (2,500)
Intangible Assets, Net $ 3,700 4,900
Backlog and Customer relationships | Minimum    
Intangible Asset, Finite-Lived [Line Items]    
Amortization Period (in years) 1 year  
Backlog and Customer relationships | Maximum    
Intangible Asset, Finite-Lived [Line Items]    
Amortization Period (in years) 11 years  
Digital assets    
Intangible Asset, Finite-Lived [Line Items]    
Gross Amount $ 214,100 178,400
Accumulated Amortization (42,800) 0
Intangible Assets, Net $ 171,300 $ 178,400
Digital assets | Minimum    
Intangible Asset, Finite-Lived [Line Items]    
Amortization Period (in years) 1 year  
Digital assets | Maximum    
Intangible Asset, Finite-Lived [Line Items]    
Amortization Period (in years) 3 years