Property, Plant and Equipment

9 Months Ended

Jan. 31, 2021

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, Plant and Equipment

The components of property, plant and equipment were:

	January 31,		April 30,
(in thousands)	2021		2020
Land	$	4,431	$	4,431
Buildings and improvements	115,515		120,819
Buildings and improvements - finance leases	11,636		11,636
Machinery and equipment	309,152		312,806
Machinery and equipment - finance leases	31,440		30,911
Construction in progress	19,608		8,164
	491,782		488,767
Less accumulated amortization and depreciation	(290,897)		(284,943)
Total	$	200,885	$	203,824

Amortization and depreciation expense on property, plant and equipment amounted to $10.3 million and $9.3 million for the three months ended January 31, 2021 and 2020, respectively, and $32.5 million and $27.6 million for the nine months ended January 31, 2021 and 2020, respectively. The nine months ended January 31, 2021 includes accelerated depreciation expense of $1.3 million related to the closure of the plant located in Humboldt, Tennessee. There was no accelerated depreciation for the three months ended January 31, 2021. Accumulated amortization on finance leases included in the above table amounted to $33.2 million and $32.3 million as of January 31, 2021 and April 30, 2020, respectively.