DERIVATIVE INSTRUMENTS - Fair Value Of Derivative Instruments Outstanding (Details) - USD ($) $ in Millions	Sep. 30, 2015	Jun. 30, 2015
Derivatives, Fair Value [Line Items]
Derivative Asset	$ 9.7	$ 12.4
Derivative Liability	2.4	6.3
Derivatives designated as hedges:
Derivatives, Fair Value [Line Items]
Derivative Asset	8.9	6.8
Derivative Liability	1.2	4.8
Derivatives designated as hedges: | Foreign exchange forward contracts | Prepaid expenses and other current assets
Derivatives, Fair Value [Line Items]
Derivative Asset	8.9	6.8
Derivatives designated as hedges: | Foreign exchange forward contracts | Accrued expenses and other current liabilities
Derivatives, Fair Value [Line Items]
Derivative Liability	1.2	4.8
Derivatives not designated as hedges:
Derivatives, Fair Value [Line Items]
Derivative Asset	0.8	5.6
Derivative Liability	1.2	1.5
Derivatives not designated as hedges: | Foreign exchange forward contracts | Prepaid expenses and other current assets
Derivatives, Fair Value [Line Items]
Derivative Asset	0.8	5.6
Derivatives not designated as hedges: | Foreign exchange forward contracts | Accrued expenses and other current liabilities
Derivatives, Fair Value [Line Items]
Derivative Liability	$ 1.2	$ 1.5