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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands | Total | Common Stock | Additional Paid-in Capital | Retained Earnings | Accumulated Other Comprehensive (Loss) Income | Treasury Stock | Noncontrolling Interests
--- | --- | --- | --- | --- | --- | --- | ---
Beginning Balance at Aug. 31, 2016 | $ 2,457,497 | $ 250 | $ 2,034,525 | $ 1,660,820 | $ (39,877) | $ (1,217,547) | $ 19,326
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Shares issued under employee stock purchase plan |  | 1 | 21,791 |  |  |  |
Vesting of restricted stock awards |  | 2 | (2) |  |  |  |
Recognition of stock-based compensation |  |  | 47,889 |  |  |  |
Declared dividends |  |  |  | (59,017) |  |  |
Net income (loss) | 221,664 |  |  | 129,090 | 94,497 |  | (1,923)
Purchases of treasury stock under employee stock plans |  |  |  |  |  | (12,268) |
Treasury shares purchased |  |  |  |  |  | (306,640) |
Acquisition of noncontrolling interests |  |  |  |  |  |  | 0
Purchase of noncontrolling interests |  |  |  |  |  |  | (134)
Disposition of noncontrolling interests |  |  |  |  |  |  | 0
Declared dividends to noncontrolling interests |  |  |  |  |  |  | (2,293)
Foreign currency adjustments attributable to noncontrolling interests |  |  |  |  |  |  | (146)
Other |  |  |  |  |  |  | 0
Ending Balance at Aug. 31, 2017 | 2,368,344 | 253 | 2,104,203 | 1,730,893 | 54,620 | (1,536,455) | 14,830
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Shares issued under employee stock purchase plan |  | 1 | 24,865 |  |  |  |
Vesting of restricted stock awards |  | 3 | (3) |  |  |  |
Recognition of stock-based compensation |  |  | 89,608 |  |  |  |
Declared dividends |  |  |  | (57,126) |  |  |
Net income (loss) | 13,522 |  |  | 86,330 | (74,019) |  | 1,211
Purchases of treasury stock under employee stock plans |  |  |  |  |  | (22,597) |
Treasury shares purchased |  |  |  |  |  | (450,319) |
Acquisition of noncontrolling interests |  |  |  |  |  |  | 0
Purchase of noncontrolling interests |  |  |  |  |  |  | 0
Disposition of noncontrolling interests |  |  |  |  |  |  | 0
Declared dividends to noncontrolling interests |  |  |  |  |  |  | (2,920)
Foreign currency adjustments attributable to noncontrolling interests |  |  |  |  |  |  | 2
Other |  |  |  |  |  |  | 0
Ending Balance at Aug. 31, 2018 | 1,963,380 | 257 | 2,218,673 | 1,760,097 | (19,399) | (2,009,371) | 13,123
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Cumulative effect adjustment for adoption of new accounting standards |  |  |  | 40,855 |  |  |
Shares issued under employee stock purchase plan |  | 1 | 26,999 |  |  |  |
Vesting of restricted stock awards |  | 2 | (2) |  |  |  |
Recognition of stock-based compensation |  |  | 58,882 |  |  |  |
Declared dividends |  |  |  | (51,026) |  |  |
Net income (loss) | 226,079 |  |  | 287,111 | (63,395) |  | 2,363
Purchases of treasury stock under employee stock plans |  |  |  |  |  | (11,918) |
Treasury shares purchased |  |  |  |  |  | (350,323) |
Acquisition of noncontrolling interests |  |  |  |  |  |  | 1,112
Purchase of noncontrolling interests |  |  |  |  |  |  | 0
Disposition of noncontrolling interests |  |  |  |  |  |  | (1,785)
Declared dividends to noncontrolling interests |  |  |  |  |  |  | (1,500)
Foreign currency adjustments attributable to noncontrolling interests |  |  |  |  |  |  | 0
Other |  |  |  |  |  |  | 2
Ending Balance at Aug. 31, 2019 | $ 1,900,758 | $ 260 | $ 2,304,552 | $ 2,037,037 | $ (82,794) | $ (2,371,612) | $ 13,315

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