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Stockholders' Equity - Stock Options (Details) $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2007 | Jul. 31, 2025 USD ($) day shares | Jul. 31, 2024 USD ($) | Jul. 31, 2023 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of options that were in-the-money (in shares) | shares |  | 17,210,911 |  |
Compensation cost attributable to equity-based compensation plan |  | $ 38,004 | $ 35,234 | $ 39,673
Proceeds from the exercise of stock options |  | 42,759 | 24,260 | 49,679
Aggregate intrinsic value of options exercised |  | 188,300 | 105,500 | 131,100
Unrecognized total compensation cost related to non-vested stock-based awards |  | $ 22,100 |  |
Amortized cost on a straight-line basis over a weighted average term (in years) |  | 2 years 2 months 1 day |  |
Fair value of options vested |  | $ 23,900 | 21,500 | 24,500
Purple Wave Inc |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Compensation cost attributable to equity-based compensation plan |  | $ 2,300 | 1,900 |
Equity Incentive 2007 Plan |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Common stock authorized to purchase (in shares) | shares |  | 144,000,000 |  |
Purchase price of the plan (as a percent) | 100.00% |  |  |
Maximum vesting term for incentive and non-qualified stock options determined by board of directors (in years) | 10 years |  |  |
Share-based compensation arrangement by share-based payment award, award requisite service period (in years) | 5 years |  |  |
Shares were available for future grant under the plan (in shares) | shares |  | 20,577,321 |  |
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 (in years) |  | 5 years |  |
Compensation cost attributable to equity-based compensation plan |  | $ 3,800 | $ 7,400 | $ 12,200
Expected dividends (as a percent) |  | 0.00% | 0.00% | 0.00%
Deferred compensation arrangement with individual - requisite service period (in years) |  | 5 years |  |
Award vesting rights (as a percent) |  | 20.00% |  |
Award vesting period (in years) |  | 4 years |  |
Trading price compared to exercise price (as a percent) |  | 125.00% |  |
Consecutive trading days (in days) | day |  | 20 |  |
Risk-free interest rate, minimum (as a percent) |  | 3.50% | 3.86% | 3.67%
Risk-free interest rate, maximum (as a percent) |  | 4.03% | 4.43% | 3.88%
Estimated volatility, minimum (as a percent) |  | 29.60% | 30.10% | 29.60%
Estimated volatility, maximum (as a percent) |  | 30.30% | 30.60% | 32.00%
Total compensation expense to be recognized per grant |  | $ 50,100 |  |
Share-based Payment Arrangement, Option | Valuation Technique, Option Pricing Model |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Expected dividends (as a percent) |  | 0.00% |  |
Risk-free interest rate, minimum (as a percent) |  | 0.71% |  |
Risk-free interest rate, maximum (as a percent) |  | 4.37% |  |
Estimated volatility, minimum (as a percent) |  | 25.20% |  |
Estimated volatility, maximum (as a percent) |  | 29.80% |  |
Restricted Stock | Minimum |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Award vesting period (in years) |  | 2 years |  |
Restricted Stock | Maximum |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Award vesting period (in years) |  | 5 years |  |
Performance Stock Units |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Award vesting period (in years) |  | 5 years |  |

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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares. + 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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- Definition Percentage of vesting of award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Weighted average remaining contractual term for fully vested and expected to vest exercisable or convertible options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + 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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