XML 25 R12.htm IDEA: XBRL DOCUMENT v3.21.2
Property, Plant and Equipment
 12 Months Ended
Apr. 30, 2021
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment Property, Plant and Equipment
 
The components of property, plant and equipment were:
 APRIL 30
(in thousands)20212020
Land$4,431 $4,431 
Buildings and improvements116,103 120,819 
Buildings and improvements - financing leases11,636 11,636 
Machinery and equipment315,371 312,806 
Machinery and equipment - financing leases31,386 30,911 
Construction in progress22,669 8,164 
501,596 488,767 
Less accumulated amortization and depreciation(297,594)(284,943)
Total$204,002 $203,824 

Amortization and depreciation expense on property, plant and equipment amounted to $38.3 million, $36.9 million, and $36.2 million in fiscal years 2021, 2020, and 2019, respectively.  Accumulated amortization on financing leases included in the above table amounted to $33.0 million and $32.3 million as of April 30, 2021 and 2020, respectively.