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Product Warranty (Schedule Of Warranty Liability) (Details) - USD ($)
$ in Thousands
6 Months Ended
Oct. 31, 2023
Oct. 31, 2022
Product Warranties Disclosures [Abstract]    
Warranty claims period 2 months  
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]    
Beginning balance $ 8,014 $ 6,878
Accrual 10,465 19,022
Settlements (11,506) (17,360)
Ending balance $ 6,973 $ 8,540