Long-Term Debt - Schedule of Maturities (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Debt Disclosure [Abstract]
2022	$ 0.0
2023	0.0
2024	886.8
2025	720.8
2026	491.0
Thereafter	2,298.7
Subtotal	4,397.3	$ 4,632.3
Less: net discount	(5.8)	(5.9)
Less: debt issuance cost	(27.8)	(32.6)
Long-term debt	$ 4,363.7	$ 4,244.0

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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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