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Credit Facility (Schedule) (Details) - USD ($)
Apr. 30, 2024
Jul. 31, 2023
Line of Credit Facility [Line Items]    
Less current portion of long-term debt $ 3,712,000 $ 4,375,000
Non-current portion of long-term debt 157,709,000 160,029,000
Credit Facility    
Line of Credit Facility [Line Items]    
Less unamortized deferred financing costs related to term loan 2,267,000  
Amount outstanding under Prior Credit Facility, net 161,421,000 164,404,000
Less current portion of long-term debt 3,712,000 4,375,000
Non-current portion of long-term debt 157,709,000 160,029,000
Credit Facility | Term Loan A    
Line of Credit Facility [Line Items]    
Term loan 27,512,000 48,125,000
Less unamortized deferred financing costs related to term loan 545,000 621,000
Amount outstanding under Prior Credit Facility, net 26,967,000 47,504,000
Credit Facility | Revolving Loan Facility    
Line of Credit Facility [Line Items]    
Amount outstanding under Prior Credit Facility, net $ 134,454,000 $ 116,900,000