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Investments | 6 Months Ended
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Jun. 30, 2018
Equity Method Investments and Joint Ventures [Abstract] |
Investments | Investments: The Company holds a 49% equity interest in Windfield Holdings Pty. Ltd. (“Windfield”), where the ownership parties share risks and benefits disproportionate to their voting interests. As a result, the Company considers Windfield to be a variable interest entity (“VIE”), however this investment is not consolidated as the Company is not the primary beneficiary. The carrying amount of our 49% equity interest in Windfield, which is our most significant VIE, was $341.7 million and $355.2 million at June 30, 2018 and December 31, 2017, respectively. The Company’s aggregate net investment in all other entities which it considers to be VIEs for which the Company is not the primary beneficiary was $8.4 million and $8.7 million at June 30, 2018 and December 31, 2017, respectively. Our unconsolidated VIEs are reported in Investments on the condensed consolidated balance sheets. The Company does not guarantee debt for, or have other financial support obligations to, these entities, and its maximum exposure to loss in connection with its continuing involvement with these entities is limited to the carrying value of its investments. As part of the original Windfield joint venture agreement, Tianqi Lithium Corporation ("Tianqi") was granted an option to purchase from 20% to 30% of the equity interests in Rockwood Lithium GmbH, a wholly-owned German subsidiary of Albemarle, and its subsidiaries. In February 2017, Albemarle and Tianqi terminated the option agreement, and as a result, we retained 100% of the ownership interest in Rockwood Lithium GmbH and its subsidiaries. Following the termination of the option agreement, the $13.1 million fair value of the option agreement originally recorded in Noncontrolling interests was reversed and recorded as an adjustment to Additional paid-in capital.

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- Definition The entire disclosure for equity method investments and joint ventures. Equity method investments are investments that give the investor the ability to exercise significant influence over the operating and financial policies of an investee. Joint ventures are entities owned and operated by a small group of businesses as a separate and specific business or project for the mutual benefit of the members of the group. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -URI http://asc.fasb.org/topic&trid=2196965 + Details
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