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DEBT AND FINANCING ARRANGEMENTS
3 Months Ended
Mar. 31, 2015
Debt Disclosure [Abstract]  
DEBT AND FINANCING ARRANGEMENTS
March 31, 2015, the Company entered into an amendment to reduce the maximum aggregate utilization capacity of our secured letter of credit facility with Citibank Europe plc (the "LOC Facility") from $750 million to $500 million. All other material terms and conditions remained unchanged. At March 31, 2015, letters of credit outstanding under the LOC Facility totaled $354 million.