LEGAL PROCEEDINGS (Details) - USD ($)				3 Months Ended
	May. 21, 2015	Apr. 21, 2015	Dec. 03, 2014	Jun. 30, 2015
Utah Division of Air Quality
Loss Contingencies [Line Items]
Loss Contingency, Loss in Period			$ 2,300,000
Loss Contingency, Initial Payment			$ 1,200,000
Period From Settlement Date Within Which Initial Payment Was Paid			30 days
Loss Contingency, Remaining Balance To Be Credited As Supplemental Environmental Project Credit			$ 1,200,000
Period To Close Facility			3 years
Junk Fax Lawsuit | Settled litigation
Loss Contingencies [Line Items]
Loss Contingency, Loss in Period	$ 45,000,000
Period during which class members may submit valid claim form	90 days
Junk Fax Lawsuit | Settled litigation | Selling, general and administrative expenses
Loss Contingencies [Line Items]
Settlement, amount				$ 45,000,000
Junk Fax Lawsuit | Settled litigation | Accrued liabilities
Loss Contingencies [Line Items]
Settlement, pre-tax accrual				$ 45,000,000
Notice of Violation, New Mexico Environment Department
Loss Contingencies [Line Items]
Loss Contingency, Loss in Period		$ 120,800