Leases - Assets and Liabilities (Details) - USD ($) $ in Thousands	Apr. 30, 2022	Jul. 31, 2021
Leases [Abstract]
Operating lease right-of-use assets	$ 46,405	$ 42,601
Operating lease liabilities:
Other current liabilities	9,700	8,944
Other long-term liabilities	36,993	33,923
Total operating lease liabilities	46,693	42,867
Finance lease right-of-use assets	6,450	7,010
Finance lease liabilities:
Other current liabilities	1,176	1,081
Other long-term liabilities	3,798	4,694
Total finance lease liabilities	$ 4,974	$ 5,775
Weighted-aver remaining lease term - operating leases	10 years 3 months 18 days	11 years 1 month 6 days
Weighted-aver remaining lease term - finance leases	4 years 6 months	5 years 1 month 6 days
Weighted-average discount rate - operating leases	3.50%	3.20%
Weighted-average discount rate - finance leases	9.10%	8.90%
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Property, plant and equipment, net	Property, plant and equipment, net
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Other	Other
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other liabilities	Other liabilities
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Property, plant and equipment, net	Property, plant and equipment, net
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	Other	Other
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other liabilities	Other liabilities