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Consolidated Statements Of Shareholders' Equity - USD ($) $ in Thousands | Common Stock [Member] | Paid-in Capital [Member] | Retained Earnings [Member] | Treasury Stock [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Total
--- | --- | --- | --- | --- | --- | ---
Beginning balance, value at Aug. 31, 2012 | $ 18,421 | $ 43,140 | $ 341,115 | $ (90,961) | $ (877) | $ 310,838
Beginning balance, shares at Aug. 31, 2012 | 18,421,000 |  |  | 5,698,000 |  |
Net earnings |  |  | 70,570 |  |  | 70,570
Other comprehensive income (loss) |  |  |  |  | (1,439) | (1,439)
Total comprehensive income |  |  |  |  |  | 69,131
Cash dividends per share |  |  | (6,105) |  |  | (6,105)
Issuance of common shares under share compensation plans, value | $ 150 | (555) |  |  |  | (405)
Issuance of common shares under share compensation plans, shares | 150,000 |  |  |  |  |
Excess tax benefits from share-based compensation |  | 2,800 |  |  |  | 2,800
Share-based compensation expense |  | 4,379 |  |  |  | 4,379
Ending balance, value at Aug. 31, 2013 | $ 18,571 | 49,764 | 405,580 | $ (90,961) | (2,316) | 380,638
Ending Balance, shares at Aug. 31, 2013 | 18,571,000 |  |  | 5,698,000 |  |
Net earnings |  |  | 51,512 |  |  | 51,512
Other comprehensive income (loss) |  |  |  |  | 115 | 115
Total comprehensive income |  |  |  |  |  | 51,627
Cash dividends per share |  |  | (11,726) |  |  | (11,726)
Repurchase of common stock, value |  |  |  | $ (41,059) |  | $ (41,059)
Repurchase of common stock, shares |  |  |  | 498,000 |  | 497,899
Issuance of common shares under share compensation plans, value | $ 65 | (1,639) |  |  |  | $ (1,574)
Issuance of common shares under share compensation plans, shares | 65,000 |  |  |  |  |
Excess tax benefits from share-based compensation |  | 722 |  |  |  | 722
Share-based compensation expense |  | 4,019 |  |  |  | 4,019
Ending balance, value at Aug. 31, 2014 | $ 18,636 | 52,866 | 445,366 | $ (132,020) | (2,201) | 382,647
Ending Balance, shares at Aug. 31, 2014 | 18,636,000 |  |  | 6,196,000 |  |
Net earnings |  |  | 26,309 |  |  | 26,309
Other comprehensive income (loss) |  |  |  |  | (13,107) | (13,107)
Total comprehensive income |  |  |  |  |  | 13,202
Cash dividends per share |  |  | (12,772) |  |  | (12,772)
Repurchase of common stock, value |  |  |  | $ (96,883) |  | $ (96,883)
Repurchase of common stock, shares |  |  |  | 1,198,000 |  | 1,198,089
Issuance of common shares under share compensation plans, value | $ 48 | (1,360) |  |  |  | $ (1,312)
Issuance of common shares under share compensation plans, shares | 48,000 |  |  |  |  |
Excess tax benefits from share-based compensation |  | 576 |  |  |  | 576
Share-based compensation expense |  | 3,102 |  |  |  | 3,102
Ending balance, value at Aug. 31, 2015 | $ 18,684 | $ 55,184 | $ 458,903 | $ (228,903) | $ (15,308) | $ 288,560
Ending Balance, shares at Aug. 31, 2015 | 18,684,000 |  |  | 7,394,000 |  |

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