INCOME TAXES (U.S Tax Reform) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2018	Dec. 31, 2017	Mar. 31, 2018
Net discrete impacts of the enactment of U.S. Tax Reform		$ 44.1
Tax Expense [Member]
Change in statutory tax rate, U.S. only (net of refundable AMT credit)	$ 0.2		$ 1.6
Changes to indefinite reinvestment assertion	(0.4)		7.5
Repatriation Tax (offset against net operating loss carryforwards, non-cash)	4.8		39.6
Net discrete impacts of the enactment of U.S. Tax Reform	4.6		48.7
Net Deferred Tax Liability [Member]
Change in statutory tax rate, U.S. only (net of refundable AMT credit)	0.8		12.2
Changes to indefinite reinvestment assertion	(0.4)		7.5
Repatriation Tax (offset against net operating loss carryforwards, non-cash)	4.8		39.6
Net discrete impacts of the enactment of U.S. Tax Reform	5.2		59.3
Tax Receivable [Member]
Change in statutory tax rate, U.S. only (net of refundable AMT credit)	0.6		10.6
Net discrete impacts of the enactment of U.S. Tax Reform	$ 0.6		$ 10.6