v3.26.1
Business Acquisitions and Divestitures - Synergy Consideration (Details) - USD ($)
$ in Millions
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Business Combination [Line Items]      
Operating Lease, Right-of-Use Asset $ 155.2 $ 156.4  
Goodwill 4,194.8 4,095.7 $ 4,070.7
Goodwill, Measurement Period Adjustment $ 0.0 $ (12.1)