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Contingencies Enviromental liabilities rollforward (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Beginning Balance | $ 15.1 |  |
Ending Balance | 10.8 | $ 15.1 |
Receivable for environmental costs, recorded in Other assets | 1.4 |  |
Reserve for Environmental Costs [Member] |  |  |
Beginning Balance | 15.0 | 15.9 | $ 16.6
Adjusted to expense (income) during the year | (2.1) | 1.2 | 0.7
Payments made | 2.2 | 2.1 | 1.4
Translation | 0.1 | 0.0 | 0.0
Ending Balance | 10.6 | $ 15.0 | $ 15.9
Formal cost share [Member] |  |  |
Other Unrecorded Amounts | 1.9 |  |
Indemnification Agreement [Member] |  |  |
Other Unrecorded Amounts | 2.1 |  |
Other Reserves [Member] |  |  |
Other Unrecorded Amounts | $ 0.3 |  |

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- Definition Amount of foreign currency translation gain (loss) which decreases (increases) the accrual for environmental loss contingencies. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.Y.Q2) -URI http://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751 + Details
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- Definition Amount of loss contingency liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349 + Details
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- Definition Amount of increase (decrease) in loss contingency liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349 + Details
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- Definition Amount of unrecorded indebtedness classified as other. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Rule 15c3-1 -Number 240 -Section 15c3-1 + Details
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- Definition Cash outflows made during the period for environmental remediation activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 17 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3367-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
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- Definition Present value of the asset for third-party recoveries related to environmental remediation obligations as of the balance sheet date (if the receivable is discounted). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859 + Details
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