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Consolidated Statements of Stockholders' Equity (Parentheticals) - $ / shares	12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Stock options exercised (in shares)	12,500	8,750
Dividends declared per share (in dollars per share)	$ 0.79	$ 0.78
Common stock issued (in shares)	182,219	1,436,693

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Aggregate dividends declared during the period for each share of common stock outstanding.

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