EMPLOYEE BENEFIT PLANS - Reconciliation of the projected benefit obligations, plan assets, funded status (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation - beginning balance	$ 303.1	$ 364.2
Service cost	7.6	7.4	$ 8.0
Interest cost	8.9	10.3	12.3
Plan participants’ contributions	2.3	2.4
Plan amendments	0.0	(36.6)
Benefits paid	(15.3)	(13.5)
Premiums paid	(0.8)	(0.6)
Pension curtailment	(1.8)	(1.6)
Pension settlements	(1.7)	(6.1)
Acquisition and transfer	5.2	6.2
Actuarial loss (gain)	28.7	2.5
Effect of exchange rates	(2.9)	(32.0)
Other	0.1	0.5
Benefit obligation - ending balance	333.4	303.1	364.2
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets - beginning balance	88.8	83.4
Actual return on plan assets	5.6	4.8
Employer contributions	12.8	19.1
Plan participants’ contributions	2.3	2.4
Benefits paid	(15.3)	(13.5)
Premiums paid	(0.8)	(0.6)
Plan settlements	(1.7)	(6.1)
Acquisition and transfer	5.2	2.8
Acquisition and transfer	5.2	6.2
Effect of exchange rates	(1.3)	(3.5)
Fair value of plan assets - ending balance	95.6	88.8	83.4
Funded Status	(237.8)	(214.3)
U.S. Pension Plan
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation - beginning balance	77.7	80.8
Service cost	0.0	0.0	0.0
Interest cost	3.4	3.3	3.4
Plan participants’ contributions	0.0	0.0
Plan amendments	0.0	0.0
Benefits paid	(3.5)	(4.0)
Premiums paid	0.0	0.0
Pension curtailment	0.0	0.0
Pension settlements	0.0	0.0
Acquisition and transfer	0.0	0.0
Actuarial loss (gain)	4.5	(2.4)
Effect of exchange rates	0.0	0.0
Other	0.0	0.0
Benefit obligation - ending balance	82.1	77.7	80.8
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets - beginning balance	52.2	45.9
Actual return on plan assets	3.8	2.5
Employer contributions	0.7	7.8
Plan participants’ contributions	0.0	0.0
Benefits paid	(3.5)	(4.0)
Premiums paid	0.0	0.0
Plan settlements	0.0	0.0
Acquisition and transfer	0.0	0.0
Acquisition and transfer	0.0	0.0
Effect of exchange rates	0.0	0.0
Fair value of plan assets - ending balance	53.2	52.2	45.9
Funded Status	(28.9)	(25.5)
International Pension Plan
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation - beginning balance	177.2	197.4
Service cost	6.5	5.5	5.7
Interest cost	3.6	4.3	5.5
Plan participants’ contributions	2.0	2.0
Plan amendments	0.0	0.3
Benefits paid	(8.6)	(6.4)
Premiums paid	(0.8)	(0.6)
Pension curtailment	0.0	(1.5)
Pension settlements	(1.7)	(6.1)
Acquisition and transfer	5.2	6.2
Actuarial loss (gain)	22.9	7.4
Effect of exchange rates	(2.7)	(31.7)
Other	0.0	0.4
Benefit obligation - ending balance	203.6	177.2	197.4
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets - beginning balance	36.6	37.5
Actual return on plan assets	1.8	2.3
Employer contributions	9.2	8.6
Plan participants’ contributions	2.0	2.0
Benefits paid	(8.6)	(6.4)
Premiums paid	(0.8)	(0.6)
Plan settlements	(1.7)	(6.1)
Acquisition and transfer	5.2	2.8
Acquisition and transfer	5.2	6.2
Effect of exchange rates	(1.3)	(3.5)
Fair value of plan assets - ending balance	42.4	36.6	37.5
Funded Status	(161.2)	(140.6)
Other Post-Employment Benefits
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation - beginning balance	48.2	86.0
Service cost	1.1	1.9	2.3
Interest cost	1.9	2.7	3.4
Plan participants’ contributions	0.3	0.4
Plan amendments	0.0	(36.9)
Benefits paid	(3.2)	(3.1)
Premiums paid	0.0	0.0
Pension curtailment	(1.8)	(0.1)
Pension settlements	0.0	0.0
Acquisition and transfer	0.0	0.0
Actuarial loss (gain)	1.3	(2.5)
Effect of exchange rates	(0.2)	(0.3)
Other	0.1	0.1
Benefit obligation - ending balance	47.7	48.2	86.0
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair value of plan assets - beginning balance	0.0	0.0
Actual return on plan assets	0.0	0.0
Employer contributions	2.9	2.7
Plan participants’ contributions	0.3	0.4
Benefits paid	(3.2)	(3.1)
Premiums paid	0.0	0.0
Plan settlements	0.0	0.0
Acquisition and transfer	0.0	0.0
Acquisition and transfer	0.0	0.0
Effect of exchange rates	0.0	0.0
Fair value of plan assets - ending balance	0.0	0.0	$ 0.0
Funded Status	$ (47.7)	$ (48.2)