Debt - Maturities of Long-term Debt, Including Finance Leases (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Total
2022	$ 18.2
2023	17.0
2024	10.3
2025	3.0
2026	1.9
Thereafter	479.0
Total	529.4	$ 629.9
Long-Term Debt
2022	16.6
2023	16.3
2024	9.9
2025	3.0
2026	1.9
Thereafter	479.0
Long-term debt	526.7
Finance Leases
2022	1.6
2023	0.7
2024	0.4
2025	0.0
2026	0.0
Thereafter	0.0
Total finance lease liabilities	$ 2.7	$ 5.5

Finance Lease, Liability, Payments, Due After Year Five, Discounted Obligation

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Finance Lease, Liability, Payments, Due Next Twelve Months, Discounted Obligation

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Finance Lease, Liability, Payments, Due Year Five, Discounted Obligation

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Finance Lease, Liability, Payments, Due Year Three, Discounted Obligation

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Long-term Debt and Lease Obligations, Maturities, Repayments of Principal After Year Five

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Long-term Debt and Lease Obligations, Maturities, Repayments of Principal in Year Five

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Long-term Debt and Lease Obligations, Maturities, Repayments of Principal in Year Four

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Long-term Debt and Lease Obligations, Maturities, Repayments of Principal in Year Three

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Long-term Debt and Lease Obligations, Maturities, Repayments of Principal in Year Two

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Long-term Debt and Lease Obligations, Repayments of Principal in Next Twelve Months

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Present value of lessee's discounted obligation for lease payments from finance lease.

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Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Amount of long-term debt and lease obligation, including portion classified as current.

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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