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

Cash and Cash Equivalents, Restricted Cash and Restricted Cash - Asbestos (Details)

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Cash and Cash Equivalents, Restricted Cash and Restricted Cash - Asbestos (Details) - USD ($)
$ in Millions
Mar. 31, 2022
Mar. 31, 2021
Mar. 31, 2020
Mar. 31, 2019
Cash and Cash Equivalents, Restricted Cash and Restricted Cash - Asbestos [Abstract]        
Cash and cash equivalents $ 125.0 $ 208.5    
Restricted cash 5.0 5.0    
Restricted cash - Asbestos 141.9 104.9    
Total cash and cash equivalents, restricted cash and restricted cash - Asbestos $ 271.9 $ 318.4 $ 185.8 $ 123.6