Other Financial Statement Details - Accounts Receivable (Details) - USD ($) $ in Millions	6 Months Ended
	Sep. 30, 2023	Sep. 30, 2024	Mar. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total accounts receivable, gross		$ 1,051.3	$ 1,151.8
Less: allowance for expected credit losses		7.0	8.1
Total accounts receivable, net		1,044.3	1,143.7
Trade accounts receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total accounts receivable, gross		1,040.6	1,141.7
Trade accounts receivable sold	$ 64.9
Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total accounts receivable, gross		$ 10.7	$ 10.1