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Fair Value - Schedule of Fair Value Assets and Liabilities (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Fair Value, Assets and Liabilities Measured on Non-Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Reduction/Amortization for the period | $ 2.0 | $ 0.3 | $ 10.0
Impact of changes in foreign currency rates | 3.3 | 2.4 | $ 8.6
Discontinued Operations, Disposed of by Sale | Balcke Durr | Guarantees and Bonds | Fair Value, Measurements, Nonrecurring | Significant Unobservable Inputs (Level 3) |  |  |
Fair Value, Assets and Liabilities Measured on Non-Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Guarantees, at period start | 9.9 |  |
Reduction/Amortization for the period | (2.5) |  |
Impact of changes in foreign currency rates | 1.3 |  |
Guarantees, at period end | 8.7 | 9.9 |
Discontinued Operations, Disposed of by Sale | Balcke Durr | Indemnification Agreement | Fair Value, Measurements, Nonrecurring | Significant Unobservable Inputs (Level 3) |  |  |
Fair Value, Assets and Liabilities Measured on Non-Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Indemnification assets, at period start | 4.8 |  |
Reduction/Amortization for the period | 2.6 |  |
Impact of changes in foreign currency rates | (0.6) |  |
Indemnification assets, at period end | $ 2.8 | $ 4.8 |

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- Definition Fair Value, Assets and Liabilities Measured on Non-Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] + References No definition available. + Details
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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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- Definition Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450222&loc=d3e30840-110895 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64836518&loc=d3e30700-110894 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=64836518&loc=d3e30690-110894 + Details
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- Definition Fair value portion of guarantee, including, but not limited to, financial standby letter of credit, fair value guarantee, guarantee of collection of scheduled contractual cash flows from financial assets, and contracts that contingently require the guarantor to make payments or perform services. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82913245&loc=d3e12201-110248 + Details
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- Definition Amount of income (expense) related to nonoperating activities, classified as other. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.9) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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