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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, 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 |  |  |  |  |  | $ (2,017) | (2,017)
Purchase of treasury stock (in shares) |  |  |  |  |  | 27,000 |
Issuance of restricted stock award |  |  |  |  |  |  |
Issuance of restricted stock award (in shares) | 233,000 |  |  |  |  |  |
Exercise of stock options |  | 80 |  |  |  |  | 80
Exercise of stock options (in shares) | 4,000 |  |  |  |  |  |
Stock-based compensation |  | 6,731 | 579 |  |  |  | 7,310
Dividend paid to stockholders |  |  |  |  | (10,629) |  | (10,629)
Dividends payable to stockholders |  |  |  |  | (10,629) |  | (10,629)
Net income |  |  |  |  | 66,451 |  | 66,451
Other comprehensive income (loss) |  |  |  | (4,919) |  |  | (4,919)
Balance at May. 31, 2016 | $ 3 | 409,979 | 11,290 | (106,431) | 328,804 | $ (31,414) | 612,231
Balance (in shares) at May. 31, 2016 | 31,215,000 |  |  |  |  | 820,000 |
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 |  |  |  |  |  | $ (2,011) | $ (2,011)
Purchase of treasury stock (in shares) |  |  |  |  |  | 25,000 |
Issuance of restricted stock award |  |  |  |  |  |  |
Issuance of restricted stock award (in shares) | 48,000 |  |  |  |  |  |
Forfeiture of restricted stock awards |  |  |  |  |  |  |
Forfeiture of restricted stock awards (in shares) | (35,000) |  |  |  |  |  |
Exercise of stock options |  | 433 |  |  |  |  | 433
Exercise of stock options (in shares) | 8,000 |  |  |  |  |  |
Stock-based compensation |  | 7,328 | 231 |  |  |  | 7,559
Dividend paid to stockholders |  |  |  |  | (10,641) |  | (10,641)
Dividends payable to stockholders |  |  |  |  | (10,643) |  | (10,643)
Net income |  |  |  |  | 70,926 |  | 70,926
Other comprehensive income (loss) |  |  |  | (4,307) |  |  | (4,307)
Balance at May. 31, 2017 | $ 3 | $ 420,130 | $ 11,552 | $ (108,258) | $ 400,702 | $ (34,742) | $ 689,387
Balance (in shares) at May. 31, 2017 | 31,259,000 |  |  |  |  | 861,000 | 30,398,239

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