Fair Value Measurements (Narrative) (Details) - USD ($) $ in Millions |
3 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|
Sep. 30, 2016 |
Jun. 30, 2016 |
Dec. 31, 2015 |
Sep. 30, 2015 |
Dec. 31, 2016 |
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| Fair Value Disclosures [Abstract] | |||||
| Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down | $ 20.4 | ||||
| Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal | $ 11.2 | $ (10.8) | |||
| Asset impairment | $ 1.7 | $ 5.0 | $ 6.7 | ||
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- Definition Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount, before tax, of (gain) loss recognized for the (reversal of write-down) write-down to fair value, less cost to sell, of a disposal group. Excludes discontinued operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| 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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