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STOCKBASED COMPENSATION (Details 7) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Feb. 28, 2023 | Feb. 28, 2022 | Feb. 28, 2023 | Feb. 28, 2022
STOCKBASED COMPENSATION (Details) |  |  |  |
Net RSUs and PRSUs vested | 19,000 | 21,000 | 221,000 | 83,000
Shares withheld to settle payroll taxes | 16,000 | 0 | 165,000 | 0
RSUs and PRSUs unvested | 406,000 | 485,000 | 406,000 | 485,000
Intrinsic value of unvested RSUs and PRSUs (in thousands) | $ 13,540 | $ 6,596 | $ 13,540 | $ 6,596

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