DERIVATIVE INSTRUMENTS - Fair Value Of Derivative Instruments Outstanding (Details) - USD ($) $ in Millions	Sep. 30, 2016	Jun. 30, 2016
Derivatives, Fair Value [Line Items]
Derivative Asset	$ 1.9	$ 9.2
Derivative Liability	25.6	37.3
Interest rate swap contracts | Accrued expenses and other current liabilities
Derivatives, Fair Value [Line Items]
Derivative Liability	10.5	13.6
Interest rate swap contracts | Other Noncurrent Assets
Derivatives, Fair Value [Line Items]
Derivative Asset	0.1
Interest rate swap contracts | Other Noncurrent Liabilities
Derivatives, Fair Value [Line Items]
Derivative Liability	10.8	16.4
Derivatives designated as hedges:
Derivatives, Fair Value [Line Items]
Derivative Asset	1.5	2.8
Derivative Liability	23.7	33.1
Derivatives designated as hedges: | Foreign exchange forward contracts | Prepaid expenses and other current assets
Derivatives, Fair Value [Line Items]
Derivative Asset	1.4	2.8
Derivatives designated as hedges: | Foreign exchange forward contracts | Accrued expenses and other current liabilities
Derivatives, Fair Value [Line Items]
Derivative Liability	2.4	3.1
Derivatives designated as hedges: | Interest rate swap contracts | Prepaid expenses and other current assets
Derivatives, Fair Value [Line Items]
Derivative Asset	0.0	0.0
Derivatives designated as hedges: | Interest rate swap contracts | Accrued expenses and other current liabilities
Derivatives, Fair Value [Line Items]
Derivative Liability	10.5	13.6
Derivatives designated as hedges: | Interest rate swap contracts | Other Noncurrent Assets
Derivatives, Fair Value [Line Items]
Derivative Asset	0.1	0.0
Derivatives designated as hedges: | Interest rate swap contracts | Other Noncurrent Liabilities
Derivatives, Fair Value [Line Items]
Derivative Liability	10.8	16.4
Derivatives not designated as hedges:
Derivatives, Fair Value [Line Items]
Derivative Asset	0.4	6.4
Derivative Liability	1.9	4.2
Derivatives not designated as hedges: | Foreign exchange forward contracts | Prepaid expenses and other current assets
Derivatives, Fair Value [Line Items]
Derivative Asset	0.4	6.4
Derivatives not designated as hedges: | Foreign exchange forward contracts | Accrued expenses and other current liabilities
Derivatives, Fair Value [Line Items]
Derivative Liability	$ 1.9	$ 4.2