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Intangibles, Net
 12 Months Ended
Jul. 31, 2021
Intangible Assets, Net (Excluding Goodwill) [Abstract]  
Intangibles, Net
NOTE 6 — Intangibles, Net

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)20212020202120202021202020212020
Amortized intangibles:        
Supply contracts and customer relationships$55,598 $50,600 $(21,739)$(16,780)$33,859 $33,820 78
Trade names18,944 23,635 (7,163)(10,075)11,781 13,560 66
Licenses and databases736 7,630 (503)(7,238)233 392 23
Total Intangibles$75,278 $81,865 $(29,405)$(34,093)$45,873 $47,772   
 
Aggregate amortization expense on intangible assets was $6.9 million, $8.9 million and $10.5 million for the years ended July 31, 2021, 2020 and 2019, respectively.

Intangible amortization expense for the next five fiscal years based upon July 31, 2021 intangible assets is expected to be as follows (In thousands):
2022$7,806 
20237,696 
20247,504 
20255,944 
20265,843 
Thereafter11,080 
Total future intangible amortization expense$45,873