Leases - Balance Sheet Presentation of Operating and Financing Lease Assets and Liabilities (Details) - USD ($) $ in Thousands	Jul. 31, 2023	Jul. 31, 2022
Leases [Abstract]
Operating lease right-of-use assets	$ 108,139	$ 116,303
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Property, Plant and Equipment, Net	Property, Plant and Equipment, Net
Finance lease right-of-use assets	$ 30	$ 50
Total lease assets, net	$ 108,169	$ 116,353
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Current portion of operating and finance lease liabilities	Current portion of operating and finance lease liabilities
Operating lease liabilities - current	$ 21,455	$ 21,771
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Current portion of operating and finance lease liabilities	Current portion of operating and finance lease liabilities
Finance lease liabilities - current	$ 13	$ 23
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Operating and finance lease liabilities, net of current portion	Operating and finance lease liabilities, net of current portion
Operating lease liabilities - non-current	$ 88,082	$ 95,670
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Operating and finance lease liabilities, net of current portion	Operating and finance lease liabilities, net of current portion
Finance lease liabilities - non-current	$ 0	$ 13
Total lease liabilities	$ 109,550	$ 117,477