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Goodwill (Tables)
 12 Months Ended
Apr. 30, 2021
Goodwill And Intangible Assets Disclosure [Abstract]  
Summary of Changes in Goodwill

Changes in goodwill are summarized as follows (in thousands):

 

 

 

 

 

 

 

 

Total

Goodwill

 

Balance as of April 30, 2019

 

$

163,246

 

Adjustments

 

 

(2

)

Goodwill impairment

 

 

(98,929

)

Balance as of April 30, 2020

 

 

64,315

 

Goodwill impairment

 

 

—

 

Balance as of April 30, 2021

 

$

64,315