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Intangibles, Net (Tables)
 12 Months Ended
Jul. 31, 2022
Intangible Assets, Net (Excluding Goodwill) [Abstract]  
Schedule of intangible assets The following table sets forth amortizable intangible assets by major asset class:
Gross
Carrying
Amount		Accumulated
Amortization		Net
Book Value		Weighted Average
Remaining Useful
Life (in years)
July 31,July 31,July 31,July 31,
(In thousands, except remaining useful life)20222021202220212022202120222021
Amortized intangibles:        
Supply contracts and customer relationships$71,875 $55,598 $(27,297)$(21,739)$44,578 $33,859 57
Trade names18,896 18,944 (8,867)(7,163)10,029 11,781 56
Licenses and databases633 736 (560)(503)73 233 12
Total Intangibles$91,404 $75,278 $(36,724)$(29,405)$54,680 $45,873   
Schedule of aggregate amortization expense on intangible assets Intangible amortization expense for the next five fiscal years based upon July 31, 2022 intangible assets is expected to be as follows (In thousands):
2023$13,083 
202412,801 
202511,242 
20265,969 
20275,826 
Thereafter5,759 
Total future intangible amortization expense$54,680