Debt - Schedule of Maturities (Details) - USD ($) $ in Millions	Dec. 31, 2019	Jun. 30, 2019
Debt Disclosure [Abstract]
Twelve months ending December 31, 2020	$ 15.0
Twelve months ending December 31, 2021	315.0
Twelve months ending December 31, 2022	15.0
Twelve months ending December 31, 2023	326.3
Twelve months ending December 31, 2024	500.0
Thereafter	1,600.0
Total debt	2,771.3
Unamortized debt financing costs	(26.1)	$ (28.5)
Total debt, net of unamortized debt financing costs	$ 2,745.2

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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