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Inventories (Tables)
12 Months Ended
Apr. 24, 2021
Inventory Disclosure [Abstract]  
Summary of Inventories
(Amounts in thousands)4/24/20214/25/2020
Raw materials$112,371 $92,174 
Work in process24,791 14,064 
Finished goods121,182 96,850 
FIFO inventories258,344 203,088 
Excess of FIFO over LIFO(32,207)(21,445)
Total inventories$226,137 $181,643