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Intangible Assets and Trademarks (Tables)
 12 Months Ended
Apr. 30, 2022
Goodwill and Intangible Assets Disclosure [Abstract]  
Components of Intangible Assets
The components of customer relationships intangibles were:
 APRIL 30
(in thousands)20222021
Customer relationship intangibles$274,000 $274,000 
Less accumulated amortization(197,889)(152,222)
Total$76,111 $121,778