EMPLOYEE BENEFITS (Net Periodic Pension Benefit Income) (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Dec. 31, 2017	Dec. 31, 2017
Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 0.7	$ 1.5
Interest cost	0.6	0.7
Expected return on plan assets	(1.0)	(1.1)
Net periodic pension benefit income	0.3	1.1
Post-Retirement Benefit Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost		0.1
Interest cost	0.1	0.2
Net periodic pension benefit income	$ 0.1	$ 0.3