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v3.10.0.1

Consolidated Statements of Equity - USD ($) $ in Thousands | Total | Common Stock | Additional Paid-in Capital | Accumulated Other Comprehensive Income (Loss) | Retained Earnings | Non - Controlling Interest
--- | --- | --- | --- | --- | --- | ---
Beginning Balance at May. 31, 2015 | $ 350,963 | $ 7,921 | $ 129,926 | $ (2,442) | $ 215,569 | $ (11)
Beginning Balance (in shares) at May. 31, 2015 |  | 49,504,359 |  |  |  |
Exercise of options, share-based compensation and income tax benefit (in shares) |  | 561,524 |  |  |  |
Exercise of options, share-based compensation and income tax benefit | $ 17,377 | $ 89 | 17,288 |  |  |
Issuance of shares under employee stock purchase plan (in shares) | 24,369 | 24,369 |  |  |  |
Issuance of shares under employee stock purchase plan | $ 786 | $ 4 | 782 |  |  |
Issuance of shares under employee stock purchase plan (in shares) | 24,369 | 24,369 |  |  |  |
Net income (loss) | $ 36,538 |  |  |  | 36,564 | (26)
Other comprehensive income (loss) | (1,504) |  |  | (1,504) |  |
Ending Balance at May. 31, 2016 | 404,160 | $ 8,014 | 147,996 | (3,946) | 252,133 | (37)
Ending Balance (in shares) at May. 31, 2016 |  | 50,090,252 |  |  |  |
Exercise of options, share-based compensation and income tax benefit (in shares) |  | 817,284 |  |  |  |
Exercise of options, share-based compensation and income tax benefit | $ 26,720 | $ 131 | 26,589 |  |  |
Issuance of shares under employee stock purchase plan (in shares) | 24,953 | 24,953 |  |  |  |
Issuance of shares under employee stock purchase plan | $ 925 | $ 4 | 921 |  |  |
Issuance of shares under employee stock purchase plan (in shares) | 24,953 | 24,953 |  |  |  |
Purchase of minority interest | $ (764) |  | (764) |  |  |
Net income (loss) | 43,973 |  |  |  | 43,793 | 180
Other comprehensive income (loss) | (3,257) |  |  | (3,257) |  |
Ending Balance at May. 31, 2017 | $ 471,757 | $ 8,149 | 174,742 | (7,203) | 295,926 | 143
Ending Balance (in shares) at May. 31, 2017 | 50,932,489 | 50,932,489 |  |  |  |
Exercise of options, share-based compensation and income tax benefit (in shares) |  | 781,116 |  |  |  |
Exercise of options, share-based compensation and income tax benefit | $ 27,117 | $ 125 | 26,992 |  |  |
Issuance of shares under employee stock purchase plan (in shares) | 22,127 | 22,127 |  |  |  |
Issuance of shares under employee stock purchase plan | $ 1,052 | $ 4 | 1,048 |  |  |
Issuance of shares under employee stock purchase plan (in shares) | 22,127 | 22,127 |  |  |  |
Purchase of minority interest | $ (423) |  | (210) |  |  | (213)
Net income (loss) | 63,215 |  |  |  | 63,145 | $ 70
Other comprehensive income (loss) | (2,543) |  |  | (2,543) |  |
Ending Balance at May. 31, 2018 | $ 560,175 | $ 8,278 | $ 202,572 | $ (9,746) | $ 359,071 |
Ending Balance (in shares) at May. 31, 2018 | 51,735,732 | 51,735,732 |  |  |  |

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