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Goodwill and Intangible Assets
6 Months Ended
Jan. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets
NOTE 5 – Goodwill and Intangible Assets
The following table sets forth amortizable intangible assets by major asset class:
(In thousands)January 31, 2021July 31, 2020
Amortized intangibles:
Supply contracts and customer relationships$50,580 $50,600 
Trade names23,700 23,635 
Licenses and databases7,652 7,630 
Accumulated amortization(37,662)(34,093)
Net intangibles$44,270 $47,772 
Aggregate amortization expense on amortizable intangible assets was $1.7 million and $2.3 million for the three months ended January 31, 2021 and 2020, respectively, and $3.5 million and $4.8 million for the six months ended January 31, 2021 and 2020, respectively.
The change in the carrying amount of goodwill was as follows (In thousands):
Balance as of July 31, 2020$343,622 
Effect of foreign currency exchange rates3,344 
Balance as of January 31, 2021$346,966