INCOME TAXES (Reconciliation of Income Tax Provision) (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
INCOME TAXES
Expected provision at the statutory rate	$ 6.7	$ 8.9
Stock-based compensation	0.7	1.1
State income taxes, net of federal benefit	1.9	1.5
Change in statutory tax rate, outside U.S.		(0.1)
Change in uncertain tax benefits	1.0
Foreign tax rate differential	1.2	0.2
State NOL expirations	1.6
U.S. Tax Reform		7.6
Change in valuation allowance		(0.3)
Other, net	0.9	1.6
Provision for income taxes	$ 14.0	$ 20.5