Leases (Details) - USD ($) $ in Thousands	3 Months Ended
	Oct. 31, 2021	Oct. 31, 2020
Leases [Abstract]
Operating Lease, Cost	$ 4,765	$ 4,073
Operating Lease, Payments	4,999	4,297
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	$ (868)	$ 2,936