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Other Charges , Net Other Charges, Net (Details) - USD ($) | 9 Months Ended |
--- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Dec. 31, 2016
Other Income and Expenses [Abstract] |  |  |
Business Acquisition, Transaction Costs | $ 1,700,000 |  | $ 1,100,000
Gain (Loss) on Disposition of Assets | 3.4 |  |
Other Comprehensive Income (Loss), Defined Benefit Plan, Settlement and Curtailment Gain (Loss), before Tax | $ 0 | $ 8,189,000.0 |

X
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