ENVIRONMENTAL, CONTINGENCIES AND COMMITMENTS (Other Contingencies Narrative) (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014 Person	Dec. 31, 2013 Person	Dec. 31, 2005 cases	Dec. 31, 2012
Asbestos Issue
Other Commitments [Line Items]
Loss Contingency Accrual	$ 36.5	$ 37.9
Loss Contingency, Receivable	19.3
Insurance Settlements Receivable		19.6
Loss Contingency Number of Claimants	5,200	8,100		8,000
Loss Contingency, Number of Claimants with Claims Closed During Period	(3,000)	(100)
Loss Contingency, Number of Claimants with Claims Opened During Period	100	200
Lead Pigment
Other Commitments [Line Items]
Loss Contingency, Number of Years in Which Company Was Named Defendant in Cases	20 years
Loss Contingency, Number of Cases in Which Company Was Named Defendant	50
Loss Contingency, Pending Claims, Number	8
Loss Contingency, Claims Settled, Number			1
Loss Contingency, Number of Plaintiffs	172
Loss Contingencies, Estimated Remaining Liability	0
Single Lead Pigment Case
Other Commitments [Line Items]
Loss Contingency, Pending Claims, Number	1
Loss Contingency, Number of Plaintiffs	164
Remaining Cases
Other Commitments [Line Items]
Loss Contingency, Pending Claims, Number	7
Loss Contingency, Number of Plaintiffs	10
Other Contingencies
Other Commitments [Line Items]
Loss Contingency Accrual	45.9	46.9
Loss Contingency, Receivable	19.7
Insurance Settlements Receivable		20.0
Other Contingencies | Asbestos Issue
Other Commitments [Line Items]
Recovery Of Future Indemnity Costs	48.00%
Other Commitments
Other Commitments [Line Items]
Operating Leases, Rent Expense, Net	9.6	8.3		10.9
Capital Lease Obligations		7.6
Long-term Contract for Sale of Specialty Materials, Term	5 years
Unrecorded Unconditional Purchase Obligation	45.4
Unrecorded Unconditional Purchase Obligation, Due in Next Twelve Months	37.0
Letters of Credit Outstanding, Amount	$ 15.0