EMPLOYEE BENEFITS (Assumptions Used) (Details)	9 Months Ended
	Mar. 31, 2018
Post-retirement benefit plans
Actuarial assumptions at date of acquisition:
Discount rate	3.50%
Pension plans
Actuarial assumptions at date of acquisition:
Discount rate	3.50%
Price inflation	1.75
Expected long-term rate of return on plan assets	5.90%
Rate of compensation increase	2.00%