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v3.23.3

Stockholders' Equity - Stock Options (Details) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2007 | Jul. 31, 2023 | Jul. 31, 2022 | Jul. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of options that were in-the-money |  | 23,995,892 |  |
Proceeds from the exercise of stock options |  | $ 49,679 | $ 28,108 | $ 39,049
Total compensation expense to be recognized per grant |  | 48,400 |  |
Total stock-based compensation |  | 39,673 | 38,965 | 40,922
Aggregate intrinsic value of options exercised |  | 131,100 | 30,500 | 143,300
Unrecognized total compensation cost related to non-vested stock-based awards |  | $ 33,300 |  |
Amortized cost on a straight-line basis over a weighted average term |  | 2 years 7 months 24 days |  |
Fair value of options vested |  | $ 24,500 | 29,000 | 19,000
Stock price increase threshold |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Percentage of trading price compared to exercise price |  | 125.00% |  |
Chief Executive Officer |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Award vesting rights percentage |  | 20.00% |  |
Total stock-based compensation |  | $ 12,200 | $ 9,800 | $ 13,100
Equity Incentive 2007 Plan |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Common stock authorized to purchase (in shares) |  | 144,000,000 |  |
Maximum vesting term for incentive and non-qualified stock options determined by board of directors | 10 years |  |  |
Share-based compensation arrangement by share-based payment award, award requisite service period | 5 years |  |  |
Shares were available for future grant under the Plan (in shares) |  | 24,993,212 |  |
October Grants |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Deferred compensation arrangement with individual - requisite service period |  | 5 years |  |
Share-based Payment Arrangement, Option |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Share-based compensation arrangement by share-based payment award, award requisite service period |  | 5 years |  |
Risk-free interest rate, minimum |  | 3.67% | 0.82% | 0.42%
Risk-free interest rate, maximum |  | 3.88% | 2.70% | 1.23%
Estimated volatility, minimum |  | 29.60% | 27.90% | 26.30%
Estimated volatility, maximum |  | 32.00% | 30.00% | 28.70%
Share-based Payment Arrangement, Option | Valuation Technique, Option Pricing Model |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Risk-free interest rate, minimum |  | 0.71% |  |
Risk-free interest rate, maximum |  | 3.57% |  |
Estimated volatility, minimum |  | 25.20% |  |
Estimated volatility, maximum |  | 29.30% |  |
Restricted Stock | Minimum |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Award vesting period |  | 2 years |  |
Restricted Stock | Maximum |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Award vesting period |  | 5 years |  |

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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 Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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