v3.26.1
Debt - Indebtedness (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Mar. 31, 2025
Debt Instrument [Line Items]    
Short-term Debt $ 118.9 $ 125.0
Line of Credit Facility, Amount Outstanding 37.8 34.8
Debt Issuance Costs, Net (13.8) (15.3)
Long-term Debt 1,812.8 1,918.7
Debt, Long-Term and Short-Term, Combined Amount 1,931.7 2,043.7
Private Placement    
Debt Instrument [Line Items]    
Senior Notes, Noncurrent 438.9 549.2
Senior Notes    
Debt Instrument [Line Items]    
Senior Notes, Noncurrent 1,350.0 1,350.0
Long-term Debt 557.8 674.2
Private Placement    
Debt Instrument [Line Items]    
Senior Notes, Current $ 118.9 $ 125.0