CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical) - $ / shares	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Statement of Stockholders' Equity [Abstract]
Cash dividends per common share (in dollars per share)	$ 0.72	$ 0.72	$ 0.72
Common stock, par value (in dollars per share)	$ 5	$ 5	$ 5