ENVIRONMENTAL, CONTINGENCIES AND COMMITMENTS (Environmental Matters Narrative) (Detail) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Dec. 31, 2014 USD ($)
Site Contingency [Line Items]
Accrual for Environmental Loss Contingencies	$ 59.6		$ 59.6		$ 59.5
Accrued Environmental Loss Contingencies, Current	9.5		9.5		9.5
Accrued Environmental Loss Contingencies, Noncurrent	50.1		50.1		$ 50.0
Payments for Environmental Liabilities	$ 1.1	$ 1.3	2.4	$ 2.2
Accrual for Environmental Loss Contingencies, Period Increase (Decrease)			3.1
United States Sites
Site Contingency [Line Items]
Accrual for Environmental Loss Contingencies, Period Increase (Decrease)			1.3
Other Sites
Site Contingency [Line Items]
Accrual for Environmental Loss Contingencies, Period Increase (Decrease)			$ 1.8
Piles Creek
Site Contingency [Line Items]
Loss Contingency, Number of Defendants			6