XML 21 R8.htm IDEA: XBRL DOCUMENT v3.10.0.1
Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) (Parenthetical) - $ / shares
9 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Statement of Stockholders' Equity [Abstract]    
Cash dividends declared on common stock (in dollars per share) $ 0.39 $ 0.39