Other Financial Statement Details - Accounts Receivable (Details) - USD ($) $ in Millions	Dec. 31, 2021	Mar. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total accounts receivable, gross	$ 936.1	$ 1,002.9
Less: allowance for expected credit losses	6.0	5.2
Total accounts receivable, net	930.1	997.7
Trade accounts receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total accounts receivable, gross	922.3	991.6
Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total accounts receivable, gross	$ 13.8	$ 11.3