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

v3.20.1
Cash and Cash Equivalents, Restricted Cash and Restricted Cash - Asbestos Cash and Cash Equivalents, Restricted Cash and Restricted Cash - Asbestos (Details) - USD ($)
$ in Millions
Mar. 31, 2020
Mar. 31, 2019
Mar. 31, 2018
Mar. 31, 2017
Cash and Cash Equivalents, Restricted Cash and Restricted Cash - Asbestos [Abstract]        
Cash and cash equivalents $ 144.4 $ 78.7 $ 281.6 $ 78.9
Restricted cash and cash equivalents 5.0 5.1 5.0 5.0
Restricted cash and cash equivalents - Asbestos 36.4 39.8 26.6 108.9
Total cash and cash equivalents, restricted cash and restricted cash - Asbestos $ 185.8 $ 123.6 $ 313.2 $ 192.8