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Divestiture-Related Activities (Notes) | 3 Months Ended
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Mar. 31, 2018
Divestiture-Related Activities [Abstract] |
Disposal Groups, Including Discontinued Operations, Disclosure | Divestiture-Related Activities As divestitures occur in the normal course of business, gains or losses on the sale of such assets are recognized in the income statement line item Gains on divestitures and impairment charges, net, which consist of the following:
| Three Months Ended
| March 31,
| 2018 |  | 2017
| (In thousands)
Gains on divestitures, net | $ | 1,276 |  |  | $ | 16,751 |
Impairment losses | (794 | ) |  | (11,816 | )
Gains on divestitures and impairment charges, net | $ | 482 |  |  | $ | 4,935 |

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- Definition The entire disclosure related to a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://asc.fasb.org/topic&trid=2155823 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=2122178 + Details
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