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SHAREHOLDERS' EQUITY (Tables) | 9 Months Ended
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Jun. 30, 2021
SHAREHOLDERS' EQUITY |
Schedule of change in shareholders' equity | The change in shareholders’ equity for the first three and nine months of 2021 and 2020 is shown below (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended June 30, | ​ | Nine Months Ended June 30,
​ |  | 2021 |  | 2020 |  | 2021 |  | 2020
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Common stock | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Beginning balance | ​ | 306 | ​ | 306 | ​ | 306 | ​ | 306
Stock plans | ​ | 1 | ​ | 1 | ​ | 1 | ​ | 1
Ending balance | ​ | 307 | ​ | 307 | ​ | 307 | ​ | 307
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Additional paid-in-capital | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Beginning balance | ​ | 295,796 | ​ | 294,787 | ​ | 293,682 | ​ | 292,408
Stock plans | ​ | 782 | ​ | (2,156) | ​ | 2,896 | ​ | 223
Ending balance | ​ | 296,578 | ​ | 292,631 | ​ | 296,578 | ​ | 292,631
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Retained earnings | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Beginning balance | ​ | 799,884 | ​ | 785,184 | ​ | 775,829 | ​ | 684,741
Net earnings common stockholders | ​ | 14,909 | ​ | 18,687 | ​ | 43,131 | ​ | 123,286
Dividends paid | ​ | (2,084) | ​ | (2,084) | ​ | (6,251) | ​ | (6,240)
Ending balance | ​ | 812,709 | ​ | 801,787 | ​ | 812,709 | ​ | 801,787
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Accumulated other comprehensive income (loss) | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Beginning balance | ​ | 1,808 | ​ | (46,936) | ​ | (3,657) | ​ | (43,974)
Foreign currency translation | ​ | 535 | ​ | 2,802 | ​ | 6,000 | ​ | (160)
Ending balance | ​ | 2,343 | ​ | (44,134) | ​ | 2,343 | ​ | (44,134)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Treasury stock | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Beginning balance | ​ | (107,134) | ​ | (107,134) | ​ | (107,134) | ​ | (107,259)
Issued under stock plans | ​ | 51 | ​ | — | ​ | 51 | ​ | 125
Ending balance | ​ | (107,083) | ​ | (107,134) | ​ | (107,083) | ​ | (107,134)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total equity | ​ | 1,004,854 | ​ | 943,457 | ​ | 1,004,854 | ​ | 943,457

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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=109259400&loc=d3e21463-112644 + Details
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