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ENVIRONMENTAL, CONTINGENCIES AND COMMITMENTS (Environmental Matters Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Environmental and Related Matters [Line Items]
Accrued Environmental Loss Contingencies, Current	$ 9.5	$ 11.9
Accrual for Environmental Loss Contingencies, Period Increase (Decrease)	4.2
United States Sites
Environmental and Related Matters [Line Items]
Accrual for Environmental Loss Contingencies, Period Increase (Decrease)	2.4
Other Sites
Environmental and Related Matters [Line Items]
Accrual for Environmental Loss Contingencies, Period Increase (Decrease)	1.8
Piles Creek
Environmental and Related Matters [Line Items]
Loss Contingency, Number of Defendants	6
Environmental and Related Matters
Environmental and Related Matters [Line Items]
Accrual for Environmental Loss Contingencies	59.5	63.1
Accrued Environmental Loss Contingencies, Current	9.5	11.9
Accrued Environmental Loss Contingencies, Noncurrent	50.0	51.2
Payments for Environmental Liabilities	$ 7.0	$ 8.7	$ 3.9