Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Stockholders' Equity (Parentheticals)

v3.10.0.1
Consolidated Statements of Stockholders' Equity (Parentheticals) - $ / shares
12 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2016
Statement of Stockholders' Equity [Abstract]      
Cash dividends declared (in dollars per share) $ 2.52 $ 2.14 $ 2.08