Property, Plant and Equipment (Tables)

12 Months Ended

Apr. 30, 2015

Property, Plant and Equipment [Abstract]

Components Of Property, Plant And Equipment

The components of property, plant and equipment were:

	APRIL 30
(in thousands)	2015			2014
Land	$	5,929		$	5,929
Buildings and improvements	69,412			68,224
Buildings and improvements - capital leases	11,202			11,202
Machinery and equipment	159,680			155,162
Machinery and equipment - capital leases	29,052			28,111
Construction in progress	12,581			2,461
	287,856			271,089
Less accumulated amortization and depreciation	(202,340		)	(197,040		)
Total	$	85,516		$	74,049