v3.26.1
Goodwill and Other Intangible Assets - Schedule of Finite-Lived Assets (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Mar. 31, 2026
Intangible Asset, Finite-Lived [Line Items]    
Gross Carrying Amount $ 3,420.0 $ 3,420.3
Accumulated Amortization (284.4) (205.8)
Net Carrying Amount 3,135.6 3,214.5
Customer Relationships    
Intangible Asset, Finite-Lived [Line Items]    
Gross Carrying Amount 2,880.0 2,880.3
Accumulated Amortization (228.4) (165.8)
Net Carrying Amount $ 2,651.6 $ 2,714.5
Customer Relationships | Minimum    
Intangible Asset, Finite-Lived [Line Items]    
Lives in Years 2 years 2 years
Customer Relationships | Maximum    
Intangible Asset, Finite-Lived [Line Items]    
Lives in Years 18 years 18 years
Trade Names    
Intangible Asset, Finite-Lived [Line Items]    
Gross Carrying Amount $ 330.0 $ 330.0
Accumulated Amortization (26.7) (19.6)
Net Carrying Amount $ 303.3 $ 310.4
Trade Names | Minimum    
Intangible Asset, Finite-Lived [Line Items]    
Lives in Years 5 years 5 years
Trade Names | Maximum    
Intangible Asset, Finite-Lived [Line Items]    
Lives in Years 15 years 15 years
Technology    
Intangible Asset, Finite-Lived [Line Items]    
Lives in Years 10 years 10 years
Gross Carrying Amount $ 210.0 $ 210.0
Accumulated Amortization (29.3) (20.4)
Net Carrying Amount $ 180.7 $ 189.6