SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - RECLASSIFICATIONS (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Basis of Presentation
Net investing activities	$ (150.7)	$ 67.5	$ (235.3)
Net financing activities	$ (207.2)	(177.4)	(29.7)
Previously Reported
Basis of Presentation
Net investing activities		128.4	(141.7)
Net financing activities		(238.3)	(123.3)
Adjustment
Basis of Presentation
Net investing activities		(60.9)	(93.6)
Net financing activities		$ 60.9	$ 93.6

Amount of cash inflow (outflow) of financing activities, excluding discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 26
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3574-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 24
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3521-108585

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Amount of cash inflow (outflow) of investing activities, excluding discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

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- Definition

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