Inventories (Tables)

12 Months Ended

Apr. 30, 2016

Inventory Disclosure [Abstract]

Components Of Inventories

The components of inventories were:

	APRIL 30
(in thousands)	2016			2015
Raw materials	$	17,634		$	17,199
Work-in-process	18,414			18,095
Finished goods	17,475			14,797
Total FIFO inventories	53,523			50,091
Reserve to adjust inventories to LIFO value	(14,204		)	(14,103		)
Total LIFO inventories	$	39,319		$	35,988