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Summary of Significant Accounting Policies (Tables) | 6 Months Ended
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Jan. 31, 2023
Accounting Policies [Abstract] |
Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block] |
| January 31, 2023
| Carrying Value |  | Estimated Fair Value
6.25% Notes | $ | 600,000 |  |  | $ | 604,062 |
0.0% Convertible Notes | $ | 575,000 |  |  | $ | 547,339 |
EPR Secured Notes | $ | 133,305 |  |  | $ | 161,156 |
Accounting Standards Update and Change in Accounting Principle | The impact of adoption of ASU 2020-06 on the Consolidated Condensed Balance Sheet as of adoption date was as follows (in thousands):
| As of August 1, 2022
Balance Sheet | Balances without the Adoption of ASU 2020-06 | Adjustments | Balances with the adoption of ASU 2020-06
Liabilities |  |  |
Long term debt, net | $ | 2,670,300 |  | $ | 74,822 |  | $ | 2,745,122 |
Deferred income taxes, net | $ | 268,464 |  | $ | (18,779) |  | $ | 249,685 |
Stockholders’ equity |  |  |
Additional paid-in capital | $ | 1,184,577 |  | $ | (80,066) |  | $ | 1,104,511 |
Retained earnings | $ | 895,889 |  | $ | 24,023 |  | $ | 919,912 |

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