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CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Thousands | Common Stock [Member] | Additional Paid-in Capital [Member] | Tax Benefit From Stock Based Compensation [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Retained Earnings [Member] | Treasury Stock [Member] | Total
--- | --- | --- | --- | --- | --- | --- | ---
Balance at Aug. 31, 2014 | $ 3 | $ 397,150 | $ 9,505 | $ (49,286) | $ 215,613 | $ (24,720) | $ 548,265
Balance (in shares) at Aug. 31, 2014 | 30,951,000 |  |  |  |  | 741,000 |
Purchase of treasury stock |  |  |  |  |  | $ (4,677) | (4,677)
Purchase of treasury stock (in shares) |  |  |  |  |  | 52,000 |
Issuance of restricted stock (in shares) | 33,000 |  |  |  |  |  |
Forfeiture of restricted stock awards (in shares) | (9,000) |  |  |  |  |  |
Exercise of stock options |  | 49 |  |  |  |  | 49
Exercise of stock options (in shares) | 3,000 |  |  |  |  |  |
Stock-based compensation |  | 5,969 | 1,206 |  |  |  | 7,175
Dividend paid to stockholders |  |  |  |  | (21,126) |  | (21,126)
Net income |  |  |  |  | 89,124 |  | 89,124
Other comprehensive income (loss) |  |  |  | (52,226) |  |  | (52,226)
Balance at Aug. 31, 2015 | $ 3 | 403,168 | 10,711 | (101,512) | 283,611 | $ (29,397) | 566,584
Balance (in shares) at Aug. 31, 2015 | 30,978,000 |  |  |  |  | 793,000 |
Purchase of treasury stock |  |  |  |  |  | $ (3,334) | (3,334)
Purchase of treasury stock (in shares) |  |  |  |  |  | 43,000 |
Issuance of restricted stock (in shares) | 256,000 |  |  |  |  |  |
Exercise of stock options |  | 80 |  |  |  |  | 80
Exercise of stock options (in shares) | 4,000 |  |  |  |  |  |
Stock-based compensation |  | 9,121 | 610 |  |  |  | 9,731
Dividend paid to stockholders |  |  |  |  | (21,274) |  | (21,274)
Net income |  |  |  |  | 88,723 |  | 88,723
Other comprehensive income (loss) |  |  |  | (2,439) |  |  | (2,439)
Balance at Aug. 31, 2016 | $ 3 | 412,369 | 11,321 | (103,951) | 351,060 | $ (32,731) | $ 638,071
Balance (in shares) at Aug. 31, 2016 | 31,238,000 |  |  |  |  | 836,000 | 30,401,307
Purchase of treasury stock |  |  |  |  |  | $ (3,193) | $ (3,193)
Purchase of treasury stock (in shares) |  |  |  |  |  | 39,000 |
Issuance of restricted stock (in shares) | 63,000 |  |  |  |  |  |
Forfeiture of restricted stock awards (in shares) | (37,000) |  |  |  |  |  |
Exercise of stock options |  | 704 |  |  |  |  | 704
Exercise of stock options (in shares) | 12,000 |  |  |  |  |  |
Stock-based compensation |  | 9,689 | 165 |  |  |  | 9,854
Dividend paid to stockholders |  |  |  |  | (21,285) |  | (21,285)
Net income |  |  |  |  | 90,724 |  | 90,724
Other comprehensive income (loss) |  |  |  | (6,108) |  |  | (6,108)
Balance at Aug. 31, 2017 | $ 3 | $ 422,762 | $ 11,486 | $ (110,059) | $ 420,499 | $ (35,924) | $ 708,767
Balance (in shares) at Aug. 31, 2017 | 31,276,000 |  |  |  |  | 875,000 | 30,400,742

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