The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

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- References

No definition available.

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- Definition

Fair value portion of investments accounted under the equity method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 25
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=35740979&loc=d3e32014-111567

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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EQUITY METHOD INVESTMENTS (Details) - USD ($) $ in Millions	Dec. 31, 2015	Dec. 31, 2014
Equity Method Investments and Joint Ventures [Abstract]
Estimate fair value of equity method investments	$ 506.5	$ 534.7
Maritime Finance Company
Schedule of Equity Method Investments [Line Items]
Ownership percentage	31.00%
LCI Helicopters Limited
Schedule of Equity Method Investments [Line Items]
Ownership percentage	33.00%
Mineral Acquisition Company
Schedule of Equity Method Investments [Line Items]
Ownership percentage	70.00%