DEBT (Details) (Revolving credit agreement, USD $)	1 Months Ended	6 Months Ended
	Jul. 31, 2012	Jun. 30, 2014
Revolving credit agreement
Debt
Borrowing capacity under the line of credit		$ 300,000,000
Line of Credit Facility, Initiation Date	Jul. 26, 2012
Covenant compliance description		As of June 30, 2014, the Company was in compliance with all of its covenants
Term of the credit agreement		5 years
Additional increase in borrowing capacity of the line of credit available at the entity's option		$ 100,000,000