INCOME TAXES (U.S. Tax Reform) (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Mar. 31, 2018	Mar. 31, 2018
INCOME TAXES
Tax expenses change in statutory tax rate, U.S. only	$ 0.2	$ 1.6
Tax expenses changes to indefinite reinvestment assertion	(0.4)	7.5
Tax expenses Repatriation Tax (settled with NOL, non -cash)	4.8	39.6
Tax expenses Net discrete impacts of the enactment of U.S. Tax Reform	4.6	48.7
Deferred tax liability change in statutory tax rate, U.S. only	0.8	12.2
Deferred tax liability changes to indefinite reinvestment assertion	(0.4)	7.5
Deferred tax liability Repatriation Tax (settled with NOL, non -cash)	4.8	39.6
Deferred tax liability Net discrete impacts of the enactment of U.S. Tax Reform	5.2	59.3
Current tax receivable change in statutory tax rate, U.S. only	0.6	10.6
Current tax receivable Net discrete impacts of the enactment of U.S. Tax Reform	$ 0.6	$ 10.6