Property, Plant and Equipment (Tables)

3 Months Ended

Jul. 31, 2021

Property, Plant and Equipment [Abstract]

Components Of Property, Plant And Equipment

The components of property, plant and equipment were:

	July 31,		April 30,
(in thousands)	2021		2021
Land	$	4,431	$	4,431
Buildings and improvements	116,851		116,103
Buildings and improvements - finance leases	11,636		11,636
Machinery and equipment	318,651		315,371
Machinery and equipment - finance leases	31,912		31,386
Construction in progress	30,150		22,669
	513,631		501,596
Less accumulated amortization and depreciation	(306,699)		(297,594)
Total	$	206,932	$	204,002