LEASE COMMITMENTS - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
New York | Selling, general and administrative
Operating Leased Assets [Line Items]
Provision for lease losses	$ (0.7)	$ 21.4	$ 0.0
Duplicative rent expense	0.0	5.0	5.3
Accelerated depreciation	$ 0.0	$ 4.1	$ 16.5
Minimum
Operating Leased Assets [Line Items]
Operating leases renewal term	2 years
Maximum
Operating Leased Assets [Line Items]
Operating leases renewal term	5 years