XML 45 R9.htm IDEA: XBRL DOCUMENT v2.4.0.8
CONSOLIDATED STATEMENTS OF COMMON STOCK EQUITY (Parenthetical) (USD $)
12 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2012
Statement of Stockholders' Equity [Abstract]      
Cash dividends declared (in usd per share) $ 1.71 $ 1.62 $ 1.54