Inventories (Tables)

6 Months Ended

Oct. 26, 2019

Inventory Disclosure [Abstract]

Summary of inventories

A summary of inventories is as follows:​

(Unaudited, amounts in thousands)	10/26/19			4/27/19
Raw materials	$	95,842		$	90,359
Work in process	13,913			13,728
Finished goods	117,035			114,478
FIFO inventories	226,790			218,565
Excess of FIFO over LIFO	(21,666		)	(21,666		)
Total inventories	$	205,124		$	196,899