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Consolidated Statements of Equity - USD ($) $ in Thousands | Total | Common Stock | Additional Paid-in Capital | Accumulated Other Comprehensive Income (Loss) | Retained Earnings
--- | --- | --- | --- | --- | ---
Beginning Balance at May. 31, 2018 | $ 560,175 | $ 8,278 | $ 202,572 | $ (9,746) | $ 359,071
Beginning Balance (in shares) at May. 31, 2018 |  | 51,736,000 |  |  |
Issuance of shares under share-based compensation plan | 8,473 | $ 40 | 8,433 |  |
Issuance of shares under share-based compensation plan (in shares) |  | 251,000 |  |  |
Issuance of shares under employee stock purchase plan | 519 | $ 2 | 517 |  |
Issuance of shares under employee stock purchase plan (in shares) |  | 8,000 |  |  |
Net income | 15,237 |  |  |  | 15,237
Other comprehensive income (loss) | (2,778) |  |  | (2,778) |
Ending Balance at Aug. 31, 2018 | 581,626 | $ 8,320 | 211,522 | (12,524) | 374,308
Ending Balance (in shares) at Aug. 31, 2018 |  | 51,995,000 |  |  |
Beginning Balance at May. 31, 2018 | 560,175 | $ 8,278 | 202,572 | (9,746) | 359,071
Beginning Balance (in shares) at May. 31, 2018 |  | 51,736,000 |  |  |
Net income | 31,288 |  |  |  |
Ending Balance at Nov. 30, 2018 | 602,074 | $ 8,334 | 215,615 | (12,234) | 390,359
Ending Balance (in shares) at Nov. 30, 2018 |  | 52,082,000 |  |  |
Beginning Balance at Aug. 31, 2018 | 581,626 | $ 8,320 | 211,522 | (12,524) | 374,308
Beginning Balance (in shares) at Aug. 31, 2018 |  | 51,995,000 |  |  |
Issuance of shares under share-based compensation plan | 4,107 | $ 14 | 4,093 |  |
Issuance of shares under share-based compensation plan (in shares) |  | 87,000 |  |  |
Net income | 16,051 |  |  |  | 16,051
Other comprehensive income (loss) | 290 |  |  | 290 |
Ending Balance at Nov. 30, 2018 | 602,074 | $ 8,334 | 215,615 | (12,234) | 390,359
Ending Balance (in shares) at Nov. 30, 2018 |  | 52,082,000 |  |  |
Beginning Balance at May. 31, 2019 | $ 637,899 | $ 8,355 | 221,937 | (11,640) | 419,247
Beginning Balance (in shares) at May. 31, 2019 | 52,216,589 | 52,217,000 |  |  |
Issuance of shares under share-based compensation plan | $ 9,713 | $ 30 | 9,683 |  |
Issuance of shares under share-based compensation plan (in shares) |  | 196,000 |  |  |
Issuance of shares under employee stock purchase plan | 538 | $ 2 | 536 |  |
Issuance of shares under employee stock purchase plan (in shares) |  | 10,000 |  |  |
Net income | 14,652 |  |  |  | 14,652
Other comprehensive income (loss) | (2,496) |  |  | (2,496) |
Ending Balance at Aug. 31, 2019 | 660,306 | $ 8,387 | 232,156 | (14,136) | 433,899
Ending Balance (in shares) at Aug. 31, 2019 |  | 52,423,000 |  |  |
Beginning Balance at May. 31, 2019 | $ 637,899 | $ 8,355 | 221,937 | (11,640) | 419,247
Beginning Balance (in shares) at May. 31, 2019 | 52,216,589 | 52,217,000 |  |  |
Net income | $ 30,928 |  |  |  |
Ending Balance at Nov. 30, 2019 | $ 690,917 | $ 8,434 | 244,226 | (11,918) | 450,175
Ending Balance (in shares) at Nov. 30, 2019 | 52,710,633 | 52,711,000 |  |  |
Beginning Balance at Aug. 31, 2019 | $ 660,306 | $ 8,387 | 232,156 | (14,136) | 433,899
Beginning Balance (in shares) at Aug. 31, 2019 |  | 52,423,000 |  |  |
Issuance of shares under share-based compensation plan | 12,117 | $ 47 | 12,070 |  |
Issuance of shares under share-based compensation plan (in shares) |  | 288,000 |  |  |
Net income | 16,276 |  |  |  | 16,276
Other comprehensive income (loss) | 2,218 |  |  | 2,218 |
Ending Balance at Nov. 30, 2019 | $ 690,917 | $ 8,434 | $ 244,226 | $ (11,918) | $ 450,175
Ending Balance (in shares) at Nov. 30, 2019 | 52,710,633 | 52,711,000 |  |  |

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