Intangible Assets And Goodwill (Narrative) (Details) - USD ($) $ in Millions |
3 Months Ended | 12 Months Ended | |
|---|---|---|---|
Dec. 31, 2015 |
Sep. 30, 2015 |
Dec. 31, 2016 |
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| Goodwill and Intangible Assets Disclosure [Abstract] | |||
| Asset impairment | $ 1.7 | $ 5.0 | $ 6.7 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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