CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical) - $ / shares	3 Months Ended		6 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020
CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY
Common Stock, Dividends, Per Share, Declared	$ 0.18	$ 0.17	$ 0.35	$ 0.33
Restricted stock grants - shares				1,436
Restricted stock forfeitures - shares			200
Stock option exercises, shares	100	21,861	1,300	28,361
Purchase of treasury shares, shares	745	3,906	1,397	4,702