CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Unaudited) (Parenthetical) - $ / shares	6 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Unaudited) [Abstract]
Purchase of treasury stock, shares (in shares)	151,259	212,626
Issuance of treasury stock, shares (in shares)	287,681	328,927
Cancellation of treasury stock, shares (in shares)	3,957	32,739
Dividends, per share (in dollars per share)	$ 0.30	$ 0.26