Credit Facility (Schedule) (Details) - USD ($)	Jan. 31, 2023	Jul. 31, 2022
Line of Credit Facility [Line Items]
Less current portion of long-term debt	$ 3,125,000	$ 0
Non-current portion of long-term debt	164,385,000	$ 130,000,000
Credit Facility
Line of Credit Facility [Line Items]
Less unamortized deferred financing costs related to Term Loan	4,139,000
Amount outstanding under Credit Facility, net	167,510,000
Less current portion of long-term debt	3,125,000
Non-current portion of long-term debt	164,385,000
Credit Facility | Term Loan A
Line of Credit Facility [Line Items]
Term Loan	49,375,000
Less unamortized deferred financing costs related to Term Loan	865,000
Amount outstanding under Credit Facility, net	48,510,000
Credit Facility | Revolving Loan Facility
Line of Credit Facility [Line Items]
Amount outstanding under Credit Facility, net	$ 119,000,000