Property, Plant and Equipment (Tables)

6 Months Ended

Oct. 31, 2021

Property, Plant and Equipment [Abstract]

Components Of Property, Plant And Equipment

The components of property, plant and equipment were:

	October 31,		April 30,
(in thousands)	2021		2021
Land	$	4,431	$	4,431
Buildings and improvements	117,566		116,103
Buildings and improvements - finance leases	11,636		11,636
Machinery and equipment	326,474		315,371
Machinery and equipment - finance leases	31,232		31,386
Construction in progress	32,096		22,669
	523,435		501,596
Less accumulated amortization and depreciation	(314,739)		(297,594)
Total	$	208,696	$	204,002