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Inventories
12 Months Ended
Apr. 30, 2022
Inventory Disclosure [Abstract]  
Inventories InventoriesInventories consisted of the following at April 30:
(in thousands)
20222021
Finished goods$4,555 $2,988 
Work-in-process2,893 1,832 
Materials and components16,348 11,697 
Total inventories$23,796 $16,517 
At April 30, 2022 and 2021, the Company's international subsidiaries' inventories were $2,811,000 and $2,560,000, respectively, measured using the lower of cost or net realizable value under the FIFO method and are included in the above tables.