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Intangibles (Tables)
 6 Months Ended
Oct. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]  
Components of Intangible Assets
The customer relationship intangibles were:
 October 31,April 30,
(in thousands)20212021
Customer relationship intangibles$274,000 $274,000 
Less accumulated amortization(175,056)(152,222)
Total$98,944 $121,778