v3.26.1
Inventories (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Mar. 31, 2025
Inventories.    
Raw materials $ 358.9 $ 223.3
Work in process 95.3 65.9
Finished goods 51.9 51.7
Total inventories $ 506.1 $ 340.9