Financial Instruments, Fair Value of Other Financial Instruments (Details) - USD ($) $ in Millions |
Jun. 30, 2018 |
Dec. 31, 2017 |
Jul. 01, 2017 |
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| Derivative Instruments and Hedging Activities Disclosure [Abstract] | |||
| Fair Value of the Company's Long-Term Debt Including Current Maturities | $ 491.4 | $ 492.1 | $ 499.3 |
| Long-Term Debt | $ 438.8 | $ 439.1 | $ 443.1 |
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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/presentationRef
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- References No definition available.
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- Definition Fair value portion of notes payable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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