EQUITY - Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance—July 1, 2015			$ (274.0)
Other comprehensive income (loss) before reclassifications			(9.5)
Less: Net amounts reclassified from AOCI			1.5
Total other comprehensive income (loss), net of tax	$ 1.2	$ (46.1)	(11.3)	$ (119.6)
Net current-period other comprehensive income (loss)			(11.0)
Balance—December 31, 2015	(285.0)		(285.0)
(Losses) Gains on Cash Flow Hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance—July 1, 2015			(0.1)
Other comprehensive income (loss) before reclassifications			8.8
Less: Net amounts reclassified from AOCI			1.5
Total other comprehensive income (loss), net of tax			7.3
Balance—December 31, 2015	7.2		7.2
Accumulated Gain (Loss) on Net Investment Hedge
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance—July 1, 2015			0.0
Other comprehensive income (loss) before reclassifications			9.1
Less: Net amounts reclassified from AOCI			0.0
Total other comprehensive income (loss), net of tax			9.1
Balance—December 31, 2015	9.1		9.1
Other Foreign Currency Translation Adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance—July 1, 2015			(249.3)
Other comprehensive income (loss) before reclassifications			(27.6)
Less: Net amounts reclassified from AOCI			0.0
Total other comprehensive income (loss), net of tax			(27.6)
Balance—December 31, 2015	(276.9)		(276.9)
Pension and Other Post-Employment Benefit Plans
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Other comprehensive income (loss) before reclassifications			0.2
Less: Net amounts reclassified from AOCI			0.0
Total other comprehensive income (loss), net of tax			0.2
Balance—December 31, 2015	$ (24.4)		(24.4)
Pension and Other Post-Employment Benefit Plans
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balance—July 1, 2015			$ (24.6)