LEASE COMMITMENTS - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Operating Leased Assets [Line Items]
Rent expense	$ 82.5	$ 87.1	$ 112.5
Payments collected from sub-lessors	5.4	4.3	1.4
Selling, general and administrative
Operating Leased Assets [Line Items]
Estimated net future minimum lease (recoveries) payments and related costs for facilities no longer used	$ 0.0	$ (0.7)	$ 21.4
Minimum
Operating Leased Assets [Line Items]
Operating leases renewal term	2 years
Maximum
Operating Leased Assets [Line Items]
Operating leases renewal term	5 years