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Inventories (Details) - USD ($)
$ in Thousands
Jan. 28, 2023
Apr. 30, 2022
Inventory Disclosure [Abstract]    
Raw materials $ 137,042 $ 146,896
Work in process 25,119 36,834
Finished goods 198,680 185,870
FIFO inventories 360,841 369,600
Excess of FIFO over LIFO (57,288) (66,409)
Total inventories $ 303,553 $ 303,191