Property, Plant and Equipment (Tables)

6 Months Ended

Oct. 31, 2018

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)	2018			2018
Land	$	4,751		$	4,751
Buildings and improvements	112,620			112,757
Buildings and improvements - capital leases	11,202			11,202
Machinery and equipment	284,533			274,723
Machinery and equipment - capital leases	31,003			30,270
Construction in progress	10,830			10,931
	454,939			444,634
Less accumulated amortization and depreciation	(241,516		)	(226,532		)
Total	$	213,423		$	218,102