INCOME TAXES (Summary of Provision for Income Taxes from Operations) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Current Income Taxes
Federal									$ (9.3)	$ 1.6	$ (1.3)
State									2.0	6.3	8.7
Foreign									8.4	(2.1)	3.9
Total									1.1	5.8	11.3
Deferred Income Taxes
Federal									62.9	13.3	7.3
State									4.1	2.4	(2.3)
Foreign									(42.0)	(3.1)	(7.8)
Total									25.0	12.6	(2.8)
Provision for income taxes	$ (23.1)	$ 20.9	$ 22.9	$ 5.4	$ 11.0	$ 0.6	$ 0.2	$ 6.6	$ 26.1	$ 18.4	$ 8.5