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Debt (Schedule of Debt Maturities) (Details) - USD ($) $ in Millions		1 Months Ended	12 Months Ended
	Apr. 01, 2021	Apr. 30, 2022	Mar. 31, 2020	Mar. 31, 2022	Mar. 31, 2021
Long-term Debt, Fiscal Year Maturity [Abstract]
Year Ending March 31, 2023				$ 222.8
Year Ending March 31, 2024				41.4
Year Ending March 31, 2025				860.3
Year Ending March 31, 2026				44.5
Year Ending March 31, 2027				313.7
Thereafter				1,000.0
Corporate debt				2,482.7	$ 2,676.9
Less aggregate unamortized debt issuance costs				(57.8)	(46.0)
Total debt, net				2,424.9	2,630.9
Revolving Credit Facility
Long-term Debt, Fiscal Year Maturity [Abstract]
Year Ending March 31, 2023				0.0
Year Ending March 31, 2024				0.0
Year Ending March 31, 2025				0.0
Year Ending March 31, 2026				0.0
Year Ending March 31, 2027				0.0
Thereafter				0.0
Corporate debt				0.0	0.0
2023 Term Loan A \| Term Loan
Long-term Debt, Fiscal Year Maturity [Abstract]
Year Ending March 31, 2023				193.6
Year Ending March 31, 2024				0.0
Year Ending March 31, 2025				0.0
Year Ending March 31, 2026				0.0
Year Ending March 31, 2027				0.0
Thereafter				0.0
Corporate debt				193.6	660.0
2023 Term Loan A \| Term Loan \| Subsequent Event
Long-term Debt, Fiscal Year Maturity [Abstract]
Principal amount of debt prepaid		$ 193.6
Term Loan B \| Term Loan
Long-term Debt, Fiscal Year Maturity [Abstract]
Year Ending March 31, 2023				12.5
Year Ending March 31, 2024				12.5
Year Ending March 31, 2025				819.2
Year Ending March 31, 2026				0.0
Year Ending March 31, 2027				0.0
Thereafter				0.0
Corporate debt				844.2	952.6
Principal amount of debt prepaid			$ 101.9
5.500% Senior Notes \| Senior Notes
Long-term Debt, Fiscal Year Maturity [Abstract]
Year Ending March 31, 2023				0.0
Year Ending March 31, 2024				0.0
Year Ending March 31, 2025				0.0
Year Ending March 31, 2026				0.0
Year Ending March 31, 2027				0.0
Thereafter				1,000.0
Corporate debt				$ 1,000.0	0.0
Coupon rate	5.50%			5.50%
5.875% Senior Notes \| Senior Notes
Long-term Debt, Fiscal Year Maturity [Abstract]
Corporate debt				$ 0.0	518.7
Coupon rate	5.875%			5.875%
Principal amount of debt prepaid	$ 518.7
6.375% Senior Notes \| Senior Notes
Long-term Debt, Fiscal Year Maturity [Abstract]
Corporate debt				$ 0.0	545.6
Coupon rate	6.375%			6.375%
Principal amount of debt prepaid	$ 545.6
2026 Term Loan A \| Term Loan
Long-term Debt, Fiscal Year Maturity [Abstract]
Year Ending March 31, 2023				$ 16.7
Year Ending March 31, 2024				28.9
Year Ending March 31, 2025				41.1
Year Ending March 31, 2026				44.5
Year Ending March 31, 2027				313.7
Thereafter				0.0
Corporate debt				$ 444.9	$ 0.0