Leases - Supplemental Cash Flow and Other Information (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jan. 31, 2022 |
Jan. 31, 2021 |
Jan. 31, 2022 |
Jan. 31, 2021 |
|
| Leases [Abstract] | ||||
| Operating cash flows from operating leases | $ 12,081 | $ 12,398 | $ 25,557 | $ 22,374 |
| Financing cash flows from finance leases | 104 | 323 | ||
| Lease liabilities arising from obtaining right-of-use assets from operating leases | 3,620 | 3,950 | 13,538 | |
| Lease liabilities arising from obtaining right-of-use assets from finance leases | $ 3,873 | $ 3,873 | ||