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Restructuring Costs (Narrative) (Details) - USD ($) $ in Millions | 3 Months Ended | 75 Months Ended
--- | --- | ---
Mar. 31, 2016 | Mar. 31, 2015 | Dec. 31, 2017
Cash paid for restructuring activities | $ 15.0 | $ 14.7 |
Project Renewal [Member] |  |  |
Expected completion year |  |  | Dec. 31, 2017
Minimum [Member] | Project Renewal [Member] |  |  |
Expected cumulative restructuring and other costs | 690.0 |  |
Restructuring and Restructuring Related Cost, Expected Cash Cost | $ 645.0 |  |
Restructuring Costs as a percentage of total costs | 60.00% |  |
Maximum [Member] | Project Renewal [Member] |  |  |
Expected cumulative restructuring and other costs | $ 725.0 |  |
Restructuring and Restructuring Related Cost, Expected Cash Cost | $ 675.0 |  |
Restructuring Costs as a percentage of total costs | 70.00% |  |

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- Definition Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3536-108585 + Details
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