DERIVATIVE INSTRUMENTS - Gross Amount of Hedges Recorded as Assets (Details) - USD ($) $ in Millions	Sep. 30, 2016	Jun. 30, 2016
Offsetting Derivative Assets [Abstract]
Derivative Asset, Net Amount Presented in the Condensed Consolidated Balance Sheets	$ 1.9	$ 9.2
Foreign exchange forward contracts | Prepaid expenses and other current assets
Offsetting Derivative Assets [Abstract]
Derivative Asset, Gross Amounts Recognized	1.9	10.1
Derivative Asset, Gross Amounts Offset in the Condensed Consolidated Statement of Operations	(0.1)	(0.9)
Derivative Asset, Net Amount Presented in the Condensed Consolidated Balance Sheets	1.8	9.2
Derivative, Gross Amounts Not Offset in the Consolidated Balance Sheet, Financial Instruments	0.0	0.0
Derivative, Gross Amounts Not Offset in the Consolidated Balance Sheet, Cash Collateral Received	0.0	0.0
Derivative Asset, Net Amount	1.8	$ 9.2
Interest rate swap contracts | Noncurrent Assets
Offsetting Derivative Assets [Abstract]
Derivative Asset, Gross Amounts Recognized	0.1
Derivative Asset, Gross Amounts Offset in the Condensed Consolidated Statement of Operations	0.0
Derivative Asset, Net Amount Presented in the Condensed Consolidated Balance Sheets	0.1
Derivative, Gross Amounts Not Offset in the Consolidated Balance Sheet, Financial Instruments	0.0
Derivative, Gross Amounts Not Offset in the Consolidated Balance Sheet, Cash Collateral Received	0.0
Derivative Asset, Net Amount	$ 0.1