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CONDENSED CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands | Common Stock [Member] | Additional Paid-In Capital [Member] | Retained Earnings [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Treasury Stock [Member] | Total
--- | --- | --- | --- | --- | --- | ---
Beginning balance at Aug. 31, 2017 | $ 20 | $ 150,692 | $ 315,764 | $ (28,075) | $ (299,014) | $ 139,387
Beginning balance, shares at Aug. 31, 2017 | 19,688,238 |  |  |  | 5,704,055 |
Issuance of common stock under share-based compensation plan, net of shares withheld for taxes |  | (1,548) |  |  |  | (1,548)
Issuance of common stock under share-based compensation plan, net of shares withheld for taxes, shares | 32,279 |  |  |  |  |
Stock-based compensation |  | 1,777 |  |  |  | 1,777
Cash dividends |  |  | (6,888) |  |  | (6,888)
Acquisition of treasury stock |  |  |  |  | $ (3,893) | (3,893)
Acquisition of treasury stock, shares |  |  |  |  | 35,250 |
Foreign currency translation adjustment |  |  |  | 3,827 |  | 3,827
Net income |  |  | 12,630 |  |  | 12,630
Ending balance at Nov. 30, 2017 | $ 20 | 151,110 | 321,378 | (24,248) | $ (302,907) | 145,353
Ending balance, shares at Nov. 30, 2017 | 19,720,517 |  |  |  | 5,739,305 |
Beginning balance at Aug. 31, 2017 | $ 20 | 150,692 | 315,764 | (28,075) | $ (299,014) | 139,387
Beginning balance, shares at Aug. 31, 2017 | 19,688,238 |  |  |  | 5,704,055 |
Foreign currency translation adjustment |  |  |  |  |  | 3,273
Net income |  |  |  |  |  | 43,578
Ending balance at May. 31, 2018 | $ 20 | 152,953 | 337,169 | (24,802) | $ (316,798) | 148,542
Ending balance, shares at May. 31, 2018 | 19,729,708 |  |  |  | 5,849,061 |
Cumulative effect of change in accounting principle |  | 189 | (128) |  |  | 61
Beginning balance at Nov. 30, 2017 | $ 20 | 151,110 | 321,378 | (24,248) | $ (302,907) | 145,353
Beginning balance, shares at Nov. 30, 2017 | 19,720,517 |  |  |  | 5,739,305 |
Issuance of common stock under share-based compensation plan, net of shares withheld for taxes |  | (35) |  |  |  | (35)
Issuance of common stock under share-based compensation plan, net of shares withheld for taxes, shares | 8,875 |  |  |  |  |
Stock-based compensation |  | 1,461 |  |  |  | 1,461
Cash dividends |  |  | (7,598) |  |  | (7,598)
Acquisition of treasury stock |  |  |  |  | $ (7,484) | (7,484)
Acquisition of treasury stock, shares |  |  |  |  | 61,150 |
Foreign currency translation adjustment |  |  |  | 7,827 |  | 7,827
Net income |  |  | 14,818 |  |  | 14,818
Ending balance at Feb. 28, 2018 | $ 20 | 152,536 | 328,598 | (16,421) | $ (310,391) | 154,342
Ending balance, shares at Feb. 28, 2018 | 19,729,392 |  |  |  | 5,800,455 |
Issuance of common stock under share-based compensation plan, net of shares withheld for taxes |  | (19) |  |  |  | (19)
Issuance of common stock under share-based compensation plan, net of shares withheld for taxes, shares | 316 |  |  |  |  |
Stock-based compensation |  | 436 |  |  |  | 436
Cash dividends |  |  | (7,559) |  |  | (7,559)
Acquisition of treasury stock |  |  |  |  | $ (6,407) | (6,407)
Acquisition of treasury stock, shares |  |  |  |  | 48,606 |
Foreign currency translation adjustment |  |  |  | (8,381) |  | (8,381)
Net income |  |  | 16,130 |  |  | 16,130
Ending balance at May. 31, 2018 | $ 20 | 152,953 | 337,169 | (24,802) | $ (316,798) | 148,542
Ending balance, shares at May. 31, 2018 | 19,729,708 |  |  |  | 5,849,061 |
Beginning balance at Aug. 31, 2018 | $ 20 | 153,469 | 351,266 | (27,636) | $ (321,630) | $ 155,489
Beginning balance, shares at Aug. 31, 2018 | 19,729,774 |  |  |  | 5,879,361 | 13,850,413
Issuance of common stock under share-based compensation plan, net of shares withheld for taxes |  | (2,425) |  |  |  | $ (2,425)
Issuance of common stock under share-based compensation plan, net of shares withheld for taxes, shares | 24,062 |  |  |  |  |
Stock-based compensation |  | 1,965 |  |  |  | 1,965
Cash dividends |  |  | (7,522) |  |  | (7,522)
Acquisition of treasury stock |  |  |  |  | $ (6,863) | (6,863)
Acquisition of treasury stock, shares |  |  |  |  | 41,184 |
Foreign currency translation adjustment |  |  |  | (1,631) |  | (1,631)
Net income |  |  | 13,279 |  |  | 13,279
Ending balance at Nov. 30, 2018 | $ 20 | 153,009 | 356,699 | (29,267) | $ (328,493) | 151,968
Ending balance, shares at Nov. 30, 2018 | 19,753,836 |  |  |  | 5,920,545 |
Beginning balance at Aug. 31, 2018 | $ 20 | 153,469 | 351,266 | (27,636) | $ (321,630) | $ 155,489
Beginning balance, shares at Aug. 31, 2018 | 19,729,774 |  |  |  | 5,879,361 | 13,850,413
Foreign currency translation adjustment |  |  |  |  |  | $ (3,724)
Net income |  |  |  |  |  | 47,324
Ending balance at May. 31, 2019 | $ 20 | 154,983 | 373,896 | (31,458) | $ (344,014) | $ 153,427
Ending balance, shares at May. 31, 2019 | 19,770,339 |  |  |  | 6,011,545 | 13,758,794
Cumulative effect of change in accounting principle |  |  | (324) |  |  | $ (324)
Beginning balance at Nov. 30, 2018 | $ 20 | 153,009 | 356,699 | (29,267) | $ (328,493) | 151,968
Beginning balance, shares at Nov. 30, 2018 | 19,753,836 |  |  |  | 5,920,545 |
Issuance of common stock under share-based compensation plan, net of shares withheld for taxes |  | (8) |  |  |  | (8)
Issuance of common stock under share-based compensation plan, net of shares withheld for taxes, shares | 16,503 |  |  |  |  |
Stock-based compensation |  | 1,393 |  |  |  | 1,393
Cash dividends |  |  | (8,489) |  |  | (8,489)
Acquisition of treasury stock |  |  |  |  | $ (5,198) | (5,198)
Acquisition of treasury stock, shares |  |  |  |  | 29,500 |
Foreign currency translation adjustment |  |  |  | 313 |  | 313
Net income |  |  | 15,906 |  |  | 15,906
Ending balance at Feb. 28, 2019 | $ 20 | 154,394 | 364,116 | (28,954) | $ (333,691) | 155,885
Ending balance, shares at Feb. 28, 2019 | 19,770,339 |  |  |  | 5,950,045 |
Stock-based compensation |  | 589 |  |  |  | 589
Cash dividends |  |  | (8,457) |  |  | (8,457)
Acquisition of treasury stock |  |  |  |  | $ (10,323) | (10,323)
Acquisition of treasury stock, shares |  |  |  |  | 61,500 |
Foreign currency translation adjustment |  |  |  | (2,406) |  | (2,406)
Net income |  |  | 18,139 |  |  | 18,139
Ending balance at May. 31, 2019 | $ 20 | $ 154,983 | 373,896 | (31,458) | $ (344,014) | $ 153,427
Ending balance, shares at May. 31, 2019 | 19,770,339 |  |  |  | 6,011,545 | 13,758,794
Cumulative effect of change in accounting principle |  |  | $ 98 | $ (98) |  |

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