Consolidated Statements of Stockholders' Equity (Parentheticals) - $ / shares	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Retained Earnings [Member]
Dividends per share declared (in dollars per share)	$ 0.40	$ 0.40	$ 0.40
Dividends per share declared (in dollars per share)	$ 0.40	$ 0.40	$ 0.40