Property, Plant and Equipment (Tables)

12 Months Ended

Apr. 30, 2020

Property, Plant and Equipment [Abstract]

Components Of Property, Plant And Equipment

The components of property, plant and equipment were:

	APRIL 30
(in thousands)	2020			2019
Land	$	4,431		$	4,751
Buildings and improvements	120,819			114,421
Buildings and improvements - financing leases	11,636			11,202
Machinery and equipment	312,806			294,993
Machinery and equipment - financing leases	30,911			30,574
Construction in progress	8,164			7,002
	488,767			462,943
Less accumulated amortization and depreciation	(284,943		)	(254,680		)
Total	$	203,824		$	208,263