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Stock-Based Compensation - Valuation Assumption, 2020 ESPP (Details) | 6 Months Ended
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Oct. 31, 2024 | Oct. 31, 2023
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items] |  |
Expected dividend yield | 0.00% | 0.00%
Expected term (years) | 6 years 1 month 6 days | 6 years 6 months
ESPP | 2020 Employee Stock Purchase Plan |  |
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items] |  |
Expected dividend yield | 0.00% | 0.00%
Expected volatility, minimum | 56.20% | 64.00%
Expected volatility, maximum | 75.30% | 70.10%
Risk-free interest rate, minimum | 3.60% | 5.00%
Risk-free interest rate, maximum | 4.60% | 5.50%
ESPP | 2020 Employee Stock Purchase Plan | Minimum |  |
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items] |  |
Expected term (years) | 6 months | 6 months
ESPP | 2020 Employee Stock Purchase Plan | Maximum |  |
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items] |  |
Expected term (years) | 2 years | 2 years

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- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. + 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)(iii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition The estimated measure of the maximum 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 No definition available. + Details
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- Definition The estimated measure of the minimum 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 No definition available. + Details
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- Definition The maximum risk-free interest rate assumption that is used in valuing an option on its own shares. + References No definition available. + Details
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- Definition The minimum risk-free interest rate assumption that is used in valuing an option on its own shares. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + 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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