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SHAREHOLDERS' EQUITY (Tables) | 3 Months Ended
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Dec. 31, 2021
SHAREHOLDERS' EQUITY |
Schedule of change in shareholders' equity | The change in shareholders’ equity for the first three months ended December 31, 2021 and 2020 is shown below (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended December 31,
​ |  | 2021 |  | 2020
​ | ​ | ​ | ​ | ​ | ​
Common stock | ​ | ​ | ​ | ​ | ​
Beginning balance | ​ | $ | 307 | ​ | 306
Stock plans | ​ | ​ | — | ​ | —
Ending balance | ​ | ​ | 307 | ​ | 306
​ | ​ | ​ | ​ | ​ | ​
Additional paid-in-capital | ​ | ​ | ​ | ​ | ​
Beginning balance | ​ | ​ | 297,644 | ​ | 293,682
Stock plans | ​ | ​ | (1,367) | ​ | 1,053
Ending balance | ​ | ​ | 296,277 | ​ | 294,735
​ | ​ | ​ | ​ | ​ | ​
Retained earnings | ​ | ​ | ​ | ​ | ​
Beginning balance | ​ | ​ | 830,989 | ​ | 775,829
Net earnings common stockholders | ​ | ​ | 11,524 | ​ | 12,818
Dividends paid | ​ | ​ | (2,079) | ​ | (2,084)
Ending balance | ​ | ​ | 840,434 | ​ | 786,563
​ | ​ | ​ | ​ | ​ | ​
Accumulated other comprehensive income (loss) | ​ | ​ | ​ | ​ | ​
Beginning balance | ​ | ​ | (2,161) | ​ | (3,657)
Foreign currency translation | ​ | ​ | (2,500) | ​ | 5,349
Ending balance | ​ | ​ | (4,661) | ​ | 1,692
​ | ​ | ​ | ​ | ​ | ​
Treasury stock | ​ | ​ | ​ | ​ | ​
Beginning balance | ​ | ​ | (107,083) | ​ | (107,134)
Share repurchases | ​ | ​ | (9,997) | ​ | —
Ending balance | ​ | ​ | (117,080) | ​ | (107,134)
​ | ​ | ​ | ​ | ​ | ​
Total equity | ​ | $ | 1,015,277 | ​ | 976,162

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- Definition Tabular disclosure of changes in the separate accounts comprising stockholders' equity (in addition to retained earnings) and of the changes in the number of shares of equity securities during at least the most recent annual fiscal period and any subsequent interim period presented is required to make the financial statements sufficiently informative if both financial position and results of operations are presented. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21463-112644 + Details
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