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Goodwill and Intangible Assets (Tables)
9 Months Ended
Apr. 30, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of aggregate amortization expense on intangible assets
The following table sets forth amortizable intangible assets by major asset class:
(In thousands)April 30, 2020July 31, 2019
Amortized intangibles:
Supply contracts and customer relationships$49,455  $49,109  
Trade names23,477  23,501  
Licenses and databases7,817  7,688  
Accumulated amortization(32,078) (25,142) 
Net intangibles$48,671  $55,156  
Schedule of change in carrying amount of goodwill (in thousands)
The change in the carrying amount of goodwill was as follows (In thousands):
Balance as of July 31, 2019$333,321  
Acquisitions during the period3,672  
Effect of foreign currency exchange rates1,046  
Balance as of April 30, 2020$338,039