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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Jul. 31, 2025
Accounting Policies [Abstract] |
Schedule of Service Revenues and Vehicle Sales |
|  |  | Year Ended July 31,
(In thousands) |  | 2025 |  | 2024 |  | 2023
Service revenues |  |  |  |  |  |
| United States |  | $ | 3,451,558 |  |  | $ | 3,126,102 |  |  | $ | 2,841,641 |
| International |  | 517,104 |  |  | 434,900 |  |  | 356,487 |
Total service revenues |  | $ | 3,968,662 |  |  | $ | 3,561,002 |  |  | $ | 3,198,128 |
|  |  | Year Ended July 31,
(In thousands) |  | 2025 |  | 2024 |  | 2023
Vehicle sales |  |  |  |  |  |
| United States |  | $ | 403,546 |  |  | $ | 338,633 |  |  | $ | 348,007 |
| International |  | 274,750 |  |  | 337,188 |  |  | 323,383 |
Total vehicle sales |  | $ | 678,296 |  |  | $ | 675,821 |  |  | $ | 671,390 |
Schedule of Change In Carrying Amount of Contract Assets | The change in the carrying amount of contract assets was as follows (In thousands):
Balance as of July 31, 2023 |  | $ | 25,726 |
Capitalized contract assets during the period |  | 32,622 |
Costs amortized during the period |  | (9,017) |
Effect of foreign currency exchange rates |  | (93) |
Balance as of July 31, 2024 |  | $ | 49,238 |
Capitalized contract assets during the period |  | 22 |
Costs amortized during the period |  | (9,149) |
Effect of foreign currency exchange rates |  | (4) |
Balance as of July 31, 2025 |  | $ | 40,107 |
Schedule of Foreign Currency Exchange Rate Fluctuations | The cumulative effects of foreign currency exchange rate fluctuations were as follows (In thousands):
Cumulative loss on foreign currency translation as of July 31, 2023 |  | $ | (141,006) |
Loss on foreign currency translation |  | (1,966) |
Cumulative loss on foreign currency translation as of July 31, 2024 |  | $ | (142,972) |
Gain on foreign currency translation |  | 22,689 |
Cumulative loss on foreign currency translation as of July 31, 2025 |  | $ | (120,283) |
Schedule of Held to Maturity Securities | The table below shows the amortized cost, associated gross unrealized gains and associated fair value of held to maturity securities (in thousands).
(In thousands) | July 31, 2025
| Amortized Cost |  | Gross Unrealized Gains |  | Fair Value
Investment in held to maturity securities | $ | 2,008,539 |  |  | $ | 15,575 |  |  | $ | 2,024,114 |
(In thousands) | July 31, 2024
| Amortized Cost |  | Gross Unrealized Gains |  | Fair Value
Investment in held to maturity securities | $ | 1,908,047 |  |  | $ | 18,298 |  |  | $ | 1,926,345 |

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