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Inventories (Tables)
9 Months Ended
Jan. 28, 2023
Inventory Disclosure [Abstract]  
Summary of inventories
A summary of inventories is as follows:

(Unaudited, amounts in thousands)1/28/20234/30/2022
Raw materials$137,042 $146,896 
Work in process25,119 36,834 
Finished goods198,680 185,870 
FIFO inventories360,841 369,600 
Excess of FIFO over LIFO(57,288)(66,409)
Total inventories$303,553 $303,191