EMPLOYEE BENEFIT PLANS Schedule of Assumptions Used (Details)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Pension [Member]
Assumptions used to determine benefit obligations at December 31:
Discount rate	3.71%	4.60%	3.70%
Rate of compensation increase	4.50%	4.60%	4.50%
Assumptions used to determine net periodic benefit cost for years ended December 31:
Discount rate	4.04%	3.70%	4.20%
Expected long-term return on plan assets	8.50%	8.50%	8.50%
Rate of compensation increase	4.50%	4.60%	4.50%
Postretirement [Member]
Assumptions used to determine benefit obligations at December 31:
Discount rate	3.65%	4.60%	3.60%
Rate of compensation increase	4.50%	4.50%	4.50%
Assumptions used to determine net periodic benefit cost for years ended December 31:
Discount rate	4.00%	3.60%	4.10%
Rate of compensation increase	4.50%	4.50%	4.50%