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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (UNAUDITED) (Parenthetical) - shares | 3 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Statement of Stockholders' Equity [Abstract] |  |
Purchase of treasury stock (in shares) | 89,025 | 62,746
Issuance of treasury stock (in shares) | 245,006 | 174,107
Cancellations of treasury stock (in shares) | 34,327 | 31,057

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