Inventories (Details) - USD ($) $ in Thousands	Apr. 29, 2023	Apr. 30, 2022
Inventory Disclosure [Abstract]
Raw materials	$ 116,440	$ 146,896
Work in process	24,328	36,834
Finished goods	181,401	185,870
FIFO inventories	322,169	369,600
Excess of FIFO over LIFO	(45,912)	(66,409)
Total inventories	$ 276,257	$ 303,191