RETIREMENT BENEFITS - Assumptions Used (Details)	3 Months Ended		12 Months Ended
	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014
U.S. Qualified Pension Plan
Plan Assumptions - During the year
Discount rate (as a percent)	3.85%	4.00%
Plan Assumptions - At year end
Discount rate (as a percent)	4.45%	3.85%	4.00%
U.S. Nonqualified Pension Plan
Plan Assumptions - During the year
Discount rate (as a percent)	3.70%	3.90%
Plan Assumptions - At year end
Discount rate (as a percent)	4.30%	3.70%	3.90%
U.S. Postretirement Benefit Plans
Plan Assumptions - During the year
Discount rate (as a percent)	3.65%	3.80%
Plan Assumptions - At year end
Discount rate (as a percent)	4.20%	3.65%	3.80%
Non - U.S. Pension Plans | Minimum
Plan Assumptions - During the year
Discount rate (as a percent)	1.00%	0.70%	1.00%
Plan Assumptions - At year end
Discount rate (as a percent)	0.70%	1.00%
Non - U.S. Pension Plans | Maximum
Plan Assumptions - During the year
Discount rate (as a percent)	12.00%	12.25%	12.00%
Plan Assumptions - At year end
Discount rate (as a percent)	12.25%	12.00%
Non - U.S. Pension Plans | Weighted Average
Plan Assumptions - During the year
Discount rate (as a percent)	5.14%	5.44%
Plan Assumptions - At year end
Discount rate (as a percent)	5.41%	5.14%	5.44%
Non-U.S. Postretirement Benefit Plans
Plan Assumptions - During the year
Discount rate (as a percent)	8.00%	8.00%
Plan Assumptions - At year end
Discount rate (as a percent)	8.50%	8.00%	8.00%