Property, Plant and Equipment (Tables)

3 Months Ended

Jul. 31, 2019

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)	2019			2019
Land	$	4,751		$	4,751
Buildings and improvements	114,529			114,421
Buildings and improvements - finance leases	11,202			11,202
Machinery and equipment	297,949			294,993
Machinery and equipment - finance leases	30,620			30,574
Construction in progress	8,767			7,002
	467,818			462,943
Less accumulated amortization and depreciation	(262,858		)	(254,680		)
Total	$	204,960		$	208,263