COMMITMENTS AND CONTINGENCIES - Environmental Contingencies (Details) - Environmental remediation unrelated to claims and legal proceedings - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Commitments and Contingencies Disclosure
Operating expenses, net of insurance recoveries related to environmental liabilities	$ 1.6	$ 1.4
Environmental remediation liabilities	47.8		$ 48.0
Receivables related to environmental remediation expenditures covered by insurance or third party claims	$ 10.7		$ 10.9

Total costs accrued as of the balance sheet date for environmental loss contingencies.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 30
-Section 50
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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