Annual and transition report of foreign private issuers [Sections 13 or 15(d)]

Goodwill and Other Intangible Assets - Rollforward of Goodwill (Details)

v3.25.1
Goodwill and Other Intangible Assets - Rollforward of Goodwill (Details) - USD ($)
$ in Millions
12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Goodwill [Roll Forward]    
Balance, beginning $ 192.6  
Balance, ending 193.7 $ 192.6
Europe Building Products    
Goodwill [Roll Forward]    
Balance, beginning 192.6 194.9
Foreign exchange impact $ 1.1 (2.3)
Balance, ending   $ 192.6