Other Information Supplemental Disclosure of Cash Flow Information (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Mar. 31, 2016 |
Mar. 31, 2015 |
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| Other Information [Abstract] | ||
| Cash paid for interest, net of amounts capitalized | $ 19.7 | $ 19.0 |
| Cash paid for income taxes | $ 1.7 | $ 1.8 |
| X | ||||||||||
- Definition Other Information [Abstract] No definition available.
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| X | ||||||||||
- Definition The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition The amount of cash paid for interest during the period net of cash paid for interest that is capitalized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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