Leases - Assets and Liabilities (Details) - USD ($) $ in Thousands	Oct. 31, 2021	Jul. 31, 2021
Leases [Abstract]
Operating lease right-of-use assets	$ 47,335	$ 42,601
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Property, plant and equipment, net	Property, plant and equipment, net
Operating lease liabilities:
Other current liabilities	$ 10,257	$ 8,944
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Other	Other
Other long-term liabilities	$ 37,389	$ 33,923
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other liabilities	Other liabilities
Total operating lease liabilities	$ 47,646	$ 42,867
Finance lease right-of-use assets	$ 6,823	$ 7,010
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Property, plant and equipment, net	Property, plant and equipment, net
Finance lease liabilities
Other current liabilities	$ 1,106	$ 1,081
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List]	Other	Other
Other long-term liabilities	$ 4,407	$ 4,694
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	Other liabilities	Other liabilities
Total finance lease liabilities	$ 5,513	$ 5,775
Weighted-aver remaining lease term - operating leases	10 years 4 months 24 days	11 years 1 month 6 days
Weighted-aver remaining lease term - finance leases	4 years 10 months 24 days	5 years 1 month 6 days
Weighted-average discount rate - operating leases	3.40%	3.20%
Weighted-average discount rate - finance leases	9.00%	8.90%