EMPLOYEE BENEFIT PLANS - Schedule of Assumptions (Details)	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Defined Benefit Plan, Assumed Health Care Cost Trend Rates [Abstract]
Rate to which the cost trend rate is assumed to decline (the ultimate trend rate)	5.00%	5.00%	5.00%
Minimum
Defined Benefit Plan, Assumed Health Care Cost Trend Rates [Abstract]
Health care cost trend rate assumed for next year	7.20%	7.20%	6.30%
Minimum | Other Post-Employment Benefits
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rates, Benefit Obligation	1.90%	3.80%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate, Benefit Cost	1.40%	4.10%	4.20%
Maximum
Defined Benefit Plan, Assumed Health Care Cost Trend Rates [Abstract]
Health care cost trend rate assumed for next year	7.40%	7.40%	6.70%
Maximum | Other Post-Employment Benefits
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rates, Benefit Obligation	7.60%	4.00%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate, Benefit Cost	8.00%	4.60%	4.80%
U.S. Pension Plan
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rates, Benefit Obligation	3.60%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Expected long-term rate of return, Benefit Cost		5.10%	6.50%
U.S. Pension Plan | Minimum
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rates, Benefit Obligation		3.30%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate, Benefit Cost	3.30%	4.10%	3.10%
U.S. Pension Plan | Maximum
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rates, Benefit Obligation		3.80%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate, Benefit Cost	3.80%	4.50%	4.50%
International Plan | Minimum
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rates, Benefit Obligation	0.40%	0.20%
Rate of compensation growth, Benefit Obligation	0.00%	1.50%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate, Benefit Cost	0.20%	1.00%	1.80%
Future compensation growth rates, Benefit Cost	1.50%	1.50%	2.00%
Expected long-term rate of return, Benefit Cost	1.60%	2.30%	2.80%
International Plan | Maximum
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Discount rates, Benefit Obligation	7.50%	1.90%
Rate of compensation growth, Benefit Obligation	6.00%	2.50%
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract]
Discount rate, Benefit Cost	7.80%	2.70%	3.20%
Future compensation growth rates, Benefit Cost	5.80%	2.50%	2.50%
Expected long-term rate of return, Benefit Cost	6.00%	4.30%	4.30%