Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

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

v3.22.1
Goodwill and Other Intangible Assets - Rollforward of Goodwill (Details) - USD ($)
$ in Millions
12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Goodwill [Roll Forward]    
Balance, beginning $ 209.3  
Balance, ending 199.5 $ 209.3
Europe Building Products    
Goodwill [Roll Forward]    
Balance, beginning 209.3 196.9
Foreign exchange impact (9.8) 12.4
Balance, ending $ 199.5 $ 209.3