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Restructuring Actions Restructuring Actions - Additional Information (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2017 USD ($) Employees | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($)
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Reserve - Beginning Balance | $ 14.6 | $ 20.0 |
Restructuring costs | 13.1 | 26.3 | $ 24.0
Cash payments | (17.8) | (30.3) |
Asset write-offs | 1.9 | 0.7 | 1.0
Foreign exchange translation and other | 0.9 | (0.7) |
Restructuring Reserve - Ending Balance | 8.9 | 14.6 | 20.0
Industrial Process |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Reserve - Beginning Balance | 6.5 | 4.9 |
Restructuring costs | $ 7.4 | 20.5 | 12.2
Number of positions eliminated | Employees | 70 |  |
Cash payments | $ (7.3) | (18.0) |
Asset write-offs | (1.8) | (0.5) |
Foreign exchange translation and other | (0.9) | (0.4) |
Restructuring Reserve - Ending Balance | 3.9 | 6.5 | $ 4.9
Employee Severance [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Reserve - Beginning Balance | 14.3 |  |
Restructuring Reserve - Ending Balance | 8.0 | 14.3 |
Facility Closing [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring Reserve - Beginning Balance | 0.3 |  |
Restructuring Reserve - Ending Balance | $ 0.9 | $ 0.3 |

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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=98514028&loc=d3e3536-108585 + Details
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