Contractual interest rate for funds borrowed, under the debt agreement.

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Long-Term Debt - Summary of Debt (Details) - USD ($) $ in Millions	Mar. 31, 2020	Mar. 31, 2019	Dec. 07, 2017
Debt Instrument [Line Items]
Total	$ 1,473.4	$ 1,238.0
Less current maturities	76.4	1.2
Long-term debt	1,397.0	1,236.8
Term loans \| Credit Facility
Debt Instrument [Line Items]
Total	620.8	718.4
Unamortized original issue discount	4.2	6.6
Term loans \| Revolving Credit Facility
Debt Instrument [Line Items]
Total	249.2	0.0
Unamortized original issue discount	0.8
4.875% Senior notes due 2025 \| Senior notes
Debt Instrument [Line Items]
Total	495.7	495.0
Unamortized original issue discount	4.3	5.0
Interest rate			4.875%
Securitization facility borrowings \| Other
Debt Instrument [Line Items]
Total	74.9	0.0
Unamortized original issue discount	0.1
Finance leases and other subsidiary debt \| Other
Debt Instrument [Line Items]
Total	$ 32.8	$ 24.6