EMPLOYEE BENEFIT PLANS - Reconciliations of Level 3 plan assets (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets - beginning balance	$ 88.8	$ 83.4
Return on plan assets	5.6	4.8
Effect of exchange rates	(1.3)	(3.5)
Fair value of plan assets - ending balance	95.6	88.8
Insurance contracts | Level 3
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets - beginning balance	36.6	37.5
Return on plan assets	1.8	2.3
Purchases, sales and settlements, net	5.3	0.3
Effect of exchange rates	(1.3)	(3.5)
Fair value of plan assets - ending balance	$ 42.4	$ 36.6