FAIR VALUE MEASUREMENTS (Narrative) (Details) - USD ($) $ in Millions				3 Months Ended		9 Months Ended
	Jan. 19, 2017	Jul. 22, 2016	Jan. 15, 2016	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016	Jun. 30, 2016
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Carrying value of the notes				$ 5,523.8		$ 5,523.8		$ 4,085.3
Hypothetical annual interest expense						25.0
Hypothetical increase to interest rate swap fair value				1.8		$ 1.8
Interest Rate Swap [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Hypothetical interest rate increase						100.00%
Change in fair value of interest rate swaps				0.7	$ 0.3	$ 2.2	$ (0.3)
LIBOR [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Facility interest rate			3.50%
Term Loan Facility [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Carrying value of the notes				2,478.4		$ 2,478.4		1,818.4
Debt instrument, face amount	$ 1,850.0
Hypothetical interest rate increase						1.00%
Term Loan Facility [Member] | LIBOR [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Facility interest rate		2.75%
Floor rate						1.00%
Term Loan Facility [Member] | LIBOR [Member] | Minimum [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Facility interest rate		1.00%				2.00%
Notes [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Carrying value of the notes				3,121.1		$ 3,121.1		2,320.7
Fair value of the notes				3,312.6		3,312.6		$ 2,338.1
Tranche One [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Debt instrument, face amount				500.0		$ 500.0
Facility interest rate						2.50%
Tranche One [Member] | LIBOR [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Debt instrument, face amount				500.0		$ 500.0
Facility interest rate						0.00%
Tranche One [Member] | Term Loan Facility [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Debt instrument, face amount	$ 500.0
Tranche One [Member] | Term Loan Facility [Member] | LIBOR [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Facility interest rate	2.00%
Tranche One [Member] | Term Loan Facility [Member] | LIBOR [Member] | Minimum [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Facility interest rate	0.00%
Tranche Two [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Debt instrument, face amount				2,000.0		$ 2,000.0
Tranche Two [Member] | LIBOR [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Debt instrument, face amount				$ 2,000.0		$ 2,000.0
Facility interest rate						1.00%
Tranche Two [Member] | Term Loan Facility [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Debt instrument, face amount	$ 1,350.0
Tranche Two [Member] | Term Loan Facility [Member] | LIBOR [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Facility interest rate	2.50%
Tranche Two [Member] | Term Loan Facility [Member] | LIBOR [Member] | Minimum [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Facility interest rate	1.00%