Property, Plant and Equipment (Tables)

12 Months Ended

Apr. 30, 2017

Property, Plant and Equipment [Abstract]

Components Of Property, Plant And Equipment

The components of property, plant and equipment were:

	APRIL 30
(in thousands)	2017			2016
Land	$	3,581		$	2,311
Buildings and improvements	81,172			80,042
Buildings and improvements - capital leases	11,202			11,202
Machinery and equipment	187,836			182,937
Machinery and equipment - capital leases	29,378			29,357
Construction in progress	10,838			2,556
	324,007			308,405
Less accumulated amortization and depreciation	(216,074		)	(209,073		)
Total	$	107,933		$	99,332