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Contingencies (Tables) | 12 Months Ended
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Dec. 31, 2018
Commitments and Contingencies Disclosure [Abstract] |
Schedule of Loss Contingencies by Contingency [Table Text Block] | maintain reserves for various contingent liabilities as follows:
| December 31,
Dollar amounts in millions | 2018 |  | 2017
Environmental reserves | $ | 10.6 |  |  | $ | 15.0 |
Other reserves | 0.2 |  |  | 0.1 |
Total contingencies | 10.8 |  |  | 15.1 |
Current portion | (2.3 | ) |  | (3.4 | )
Long-term portion | $ | 8.5 |  |  | $ | 11.7 |
Schedule of Environmental Loss Contingencies by Site [Table Text Block] | The activity in our reserve for estimated environmental loss contingency reserves for the last three years is summarized in the following table.
| Year ended December 31,
Dollar amounts in millions | 2018 |  | 2017 |  | 2016
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 | ) |  | — |  |  | — |
Ending balance | $ | 10.6 |  |  | $ | 15.0 |  |  | $ | 15.9 |

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- Definition Tabular disclosure of environmental loss contingencies by individual site. Does not include loss contingencies that are not environmental in nature. + 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 10 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13237-110859 Reference 3: 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 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13283-110859 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13296-110859 + Details
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