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Goodwill and Other Intangibles Changes in Goodwill (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
Goodwill [Roll Forward] |  |
Goodwill, Beginning Balance | $ 1,540,032 | $ 1,460,552
Reclass from/to assets held for sale | (14,422) | 6,586
Foreign currency translation adjustments | 110,896 | (38,955)
Goodwill, Ending Balance | 1,610,355 | 1,540,032
All Other |  |
Goodwill [Roll Forward] |  |
Goodwill, Beginning Balance | 6,586 | 0
Reclass from/to assets held for sale | 0 | 6,586
Foreign currency translation adjustments | 0 | 0
Goodwill, Ending Balance | 6,586 | 6,586
Reportable Segments | Lithium and Advanced Materials |  |
Goodwill [Roll Forward] |  |
Goodwill, Beginning Balance | 1,348,261 | 1,267,505
Reclass from/to assets held for sale | (14,422) | 0
Foreign currency translation adjustments | 88,452 | (31,093)
Goodwill, Ending Balance | 1,396,140 | 1,348,261
Reportable Segments | Bromine Specialties |  |
Goodwill [Roll Forward] |  |
Goodwill, Beginning Balance | 20,319 | 20,319
Reclass from/to assets held for sale | 0 | 0
Foreign currency translation adjustments | 0 | 0
Goodwill, Ending Balance | 20,319 | 20,319
Reportable Segments | Refining Solutions |  |
Goodwill [Roll Forward] |  |
Goodwill, Beginning Balance | 164,866 | 172,728
Reclass from/to assets held for sale | 0 | 0
Foreign currency translation adjustments | 22,444 | (7,862)
Goodwill, Ending Balance | 187,310 | 164,866
Rockwood Holdings, Inc. |  |
Goodwill [Roll Forward] |  |
Acquisitions |  | (1,706)
Rockwood Holdings, Inc. | All Other |  |
Goodwill [Roll Forward] |  |
Acquisitions |  | 0
Rockwood Holdings, Inc. | Reportable Segments | Lithium and Advanced Materials |  |
Goodwill [Roll Forward] |  |
Acquisitions |  | (1,706)
Rockwood Holdings, Inc. | Reportable Segments | Bromine Specialties |  |
Goodwill [Roll Forward] |  |
Acquisitions |  | 0
Rockwood Holdings, Inc. | Reportable Segments | Refining Solutions |  |
Goodwill [Roll Forward] |  |
Acquisitions |  | 0
Jiangxi Jiangli New Materials Science and Technology Co. Ltd. |  |
Goodwill [Roll Forward] |  |
Acquisitions | (26,151) | 113,555
Jiangxi Jiangli New Materials Science and Technology Co. Ltd. | All Other |  |
Goodwill [Roll Forward] |  |
Acquisitions | 0 | 0
Jiangxi Jiangli New Materials Science and Technology Co. Ltd. | Reportable Segments | Lithium and Advanced Materials |  |
Goodwill [Roll Forward] |  |
Acquisitions | (26,151) | 113,555
Goodwill, Ending Balance | 83,100 |
Jiangxi Jiangli New Materials Science and Technology Co. Ltd. | Reportable Segments | Bromine Specialties |  |
Goodwill [Roll Forward] |  |
Acquisitions | 0 | 0
Jiangxi Jiangli New Materials Science and Technology Co. Ltd. | Reportable Segments | Refining Solutions |  |
Goodwill [Roll Forward] |  |
Acquisitions | $ 0 | $ 0

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