Financial Instruments, Fair Value of Other Financial Instruments (Details) - USD ($) $ in Millions |
Dec. 31, 2020 |
Dec. 31, 2019 |
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| Derivative Instruments and Hedging Activities Disclosure [Abstract] | ||
| Fair Value of the Company's Long-Term Debt Including Current Maturities | $ 1,062.3 | $ 1,214.6 |
| Long-Term Debt | $ 972.1 | $ 1,131.6 |
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- Definition 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Fair value portion of notes payable. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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