Goodwill and Other Intangibles Changes in Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Goodwill [Roll Forward]
Goodwill, Beginning Balance	$ 1,665,520	$ 1,578,785
Divestitures	(6,586)
Foreign currency translation adjustments and other	(61,307)	82,150
Goodwill, Ending Balance	1,597,627	1,665,520
All Other
Goodwill [Roll Forward]
Goodwill, Beginning Balance	6,586	6,586
Divestitures	(6,586)
Foreign currency translation adjustments and other	0	0
Goodwill, Ending Balance	0	6,586
Reportable Segments \| Lithium
Goodwill [Roll Forward]
Goodwill, Beginning Balance	1,441,781	1,370,846
Divestitures	0
Foreign currency translation adjustments and other	(47,599)	66,350
Goodwill, Ending Balance	1,394,182	1,441,781
Reportable Segments \| Bromine
Goodwill [Roll Forward]
Goodwill, Beginning Balance	20,319	20,319
Divestitures	0
Foreign currency translation adjustments and other	0	0
Goodwill, Ending Balance	20,319	20,319
Reportable Segments \| Catalysts
Goodwill [Roll Forward]
Goodwill, Beginning Balance	196,834	181,034
Divestitures	0
Foreign currency translation adjustments and other	(13,708)	15,800
Goodwill, Ending Balance	183,126	196,834
Reportable Segments \| Refining Solutions
Goodwill [Roll Forward]
Goodwill, Beginning Balance	189,800
Goodwill, Ending Balance	176,000	189,800
Reportable Segments \| PCS
Goodwill [Roll Forward]
Goodwill, Beginning Balance	7,000
Goodwill, Ending Balance	$ 7,100	7,000
Mineral Resources Limited Wodgina Project
Goodwill [Roll Forward]
Acquisitions		4,585
Mineral Resources Limited Wodgina Project \| All Other
Goodwill [Roll Forward]
Acquisitions		0
Mineral Resources Limited Wodgina Project \| Reportable Segments \| Lithium
Goodwill [Roll Forward]
Acquisitions		4,585
Mineral Resources Limited Wodgina Project \| Reportable Segments \| Bromine
Goodwill [Roll Forward]
Acquisitions		0
Mineral Resources Limited Wodgina Project \| Reportable Segments \| Catalysts
Goodwill [Roll Forward]
Acquisitions		$ 0

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.

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