EARNINGS (LOSS) PER SHARE (Parentheticals) (Details) - $ / shares	3 Months Ended		6 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016
6% Prior Cumulative Preferred, $5 Par Value
Class of Stock [Line Items]
Stated percentage of preferred stock	6.00%	6.00%	6.00%	6.00%
Preferred stock, par value (in dollars per share)	$ 5		$ 5
5% Convertible Cumulative Preferred, $20 Par Value
Class of Stock [Line Items]
Stated percentage of preferred stock	5.00%	5.00%	5.00%	5.00%
Preferred stock, par value (in dollars per share)	$ 20		$ 20