DERIVATIVE INSTRUMENTS - Gross Amount of Hedges Recorded as Liabilities (Details) - USD ($) $ in Millions	Sep. 30, 2016	Jun. 30, 2016
Offsetting Derivative Liabilities [Abstract]
Derivative Liability, Net Amount Presented in the Condensed Consolidated Balance Sheets	$ (25.6)	$ (37.3)
Foreign exchange forward contracts | Accrued expenses and other current liabilities
Offsetting Derivative Liabilities [Abstract]
Derivative Liability, Gross Amounts Recognized	(4.5)	(8.9)
Derivative Liability, Gross Amounts Offset in the Condensed Consolidated Statement of Operations	0.2	1.6
Derivative Liability, Net Amount Presented in the Condensed Consolidated Balance Sheets	(4.3)	(7.3)
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 Liability, Net Amount	(4.3)	(7.3)
Interest rate swap contracts | Accrued expenses and other current liabilities
Offsetting Derivative Liabilities [Abstract]
Derivative Liability, Gross Amounts Recognized	(10.5)	(13.6)
Derivative Liability, Gross Amounts Offset in the Condensed Consolidated Statement of Operations	0.0	0.0
Derivative Liability, Net Amount Presented in the Condensed Consolidated Balance Sheets	(10.5)	(13.6)
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 Liability, Net Amount	(10.5)	(13.6)
Interest rate swap contracts | Other Noncurrent Liabilities
Offsetting Derivative Liabilities [Abstract]
Derivative Liability, Gross Amounts Recognized	(10.8)	(16.4)
Derivative Liability, Gross Amounts Offset in the Condensed Consolidated Statement of Operations	0.0	0.0
Derivative Liability, Net Amount Presented in the Condensed Consolidated Balance Sheets	(10.8)	(16.4)
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 Liability, Net Amount	$ (10.8)	$ (16.4)