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Restructuring Costs (Narrative) (Details) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2012 | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($)
Number of Global Business Units in 2011 | 13 |  |  |
Number of operating groups |  | 3 |  |
Number of Business Segments |  | 5 |  |
Cash paid for restructuring activities |  | $ 59.9 | $ 51.5 | $ 71.8
Project Renewal Expansion [Member] |  |  |  |
Expected cumulative restructuring charges |  | 150.0 |  |
Minimum [Member] | Project Renewal Expansion [Member] |  |  |  |
Expected cumulative restructuring charges |  | 125.0 |  |
Minimum [Member] | Renewal Combined [Member] |  |  |  |
Expected cumulative restructuring charges |  | $ 690.0 |  |
Percentage of total project costs expected to be restructuring costs |  | 60.00% |  |
Maximum [Member] | Project Renewal Expansion [Member] |  |  |  |
Expected cumulative restructuring charges |  | $ 135.0 |  |
Maximum [Member] | Renewal Combined [Member] |  |  |  |
Expected cumulative restructuring charges |  | $ 725.0 |  |
Percentage of total project costs expected to be restructuring costs |  | 70.00% |  |
Cash Costs [Member] | Project Renewal Expansion [Member] |  |  |  |
Expected cumulative restructuring charges |  | $ 135.0 |  |
Cash Costs [Member] | Minimum [Member] | Renewal Combined [Member] |  |  |  |
Expected cumulative restructuring charges |  | 645.0 |  |
Cash Costs [Member] | Maximum [Member] | Renewal Combined [Member] |  |  |  |
Expected cumulative restructuring charges |  | $ 675.0 |  |

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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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