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EMPLOYEE BENEFIT AND DEFERRED COMPENSATION PLANS - ESPP - Option-pricing model key input assumptions (Details) - Initial Public Offering - ESPP - $ / shares | May 31, 2025 | Nov. 30, 2024 | May 31, 2024 | Nov. 30, 2023 | May 31, 2023
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Fair Value Assumptions and Methodology |  |  |  |  |
Fair market value of common stock | $ 54.64 | $ 33.26 | $ 27.82 | $ 21.76 | $ 17.21
Volatility | 26.40% | 41.70% | 36.60% | 39.40% | 46.40%
Expected term (in years) | 6 months | 6 months | 6 months | 6 months | 6 months
Risk-free interest rate | 4.40% | 5.40% | 5.30% | 5.40% | 4.70%

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- Definition The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (f)(2)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iv) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (f)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Price of a share of a number of saleable stocks of a company. + References No definition available. + Details
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