Debt, Interest Income, Expense and Other Finance Costs - Aggregate Annual Maturities (Details) $ in Millions	Dec. 31, 2019 USD ($)
Year Ended December 31,
2020	$ 54.1
2021	23.5
2022	29.7
2023	29.0
2024	489.9
Thereafter	2.6
Total debt	$ 628.8

Long-Term Debt And Finance Lease Liability, Repayments Of Principal After Year Five

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- Definition

Long-Term Debt And Finance Lease Liability, Repayments Of Principal In Next Twelve Months

+ References

No definition available.

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- Definition

Long-Term Debt And Finance Lease Liability, Repayments Of Principal In Year Five

+ References

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- Definition

Long-Term Debt And Finance Lease Liability, Repayments Of Principal In Year Four

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- Definition

Long-Term Debt And Finance Lease Liability, Repayments Of Principal In Year Three

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No definition available.

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- Definition

Long-Term Debt And Finance Lease Liability, Repayments Of Principal In Year Two

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- Definition

Amount of short-term and long-term debt and lease obligation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.13,16)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.16)
-URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910

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