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Goodwill and Other Intangibles Changes in Goodwill (Details) $ in Thousands | 3 Months Ended
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Mar. 31, 2017 USD ($)
Goodwill [Roll Forward] |  |
Balance at beginning of period | $ 1,540,032 |
Acquisitions | (21,822) | [1]
Foreign currency translation adjustments | 26,364 |
Balance at end of period | 1,544,574 |
Reportable Segments | Lithium and Advanced Materials |  |
Goodwill [Roll Forward] |  |
Balance at beginning of period | 1,348,261 |
Acquisitions | (21,822) | [1]
Foreign currency translation adjustments | 20,694 |
Balance at end of period | 1,347,133 |
Reportable Segments | Bromine Specialties |  |
Goodwill [Roll Forward] |  |
Balance at beginning of period | 20,319 |
Acquisitions | 0 | [1]
Foreign currency translation adjustments | 0 |
Balance at end of period | 20,319 |
Reportable Segments | Refining Solutions |  |
Goodwill [Roll Forward] |  |
Balance at beginning of period | 164,866 |
Acquisitions | 0 | [1]
Foreign currency translation adjustments | 5,670 |
Balance at end of period | 170,536 |
Reportable Segments | All Other |  |
Goodwill [Roll Forward] |  |
Balance at beginning of period | 6,586 |
Acquisitions | 0 | [1]
Foreign currency translation adjustments | 0 |
Balance at end of period | $ 6,586 |
[1] | Primarily represents preliminary purchase price adjustments for the Jiangli New Materials acquisition. See Note 2, “Acquisitions,” for additional information.

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=64834752&loc=SL49117168-202975 + Details
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