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Property, Plant and Equipment (Tables)
3 Months Ended
Jul. 31, 2024
Property, Plant and Equipment [Abstract]  
Components Of Property, Plant And Equipment
The components of property, plant and equipment were:
 July 31,April 30,
(in thousands)20242024
Land$4,475 $4,475 
Buildings and improvements134,487 131,663 
Buildings and improvements - finance leases11,164 11,164 
Machinery and equipment389,870 370,940 
Machinery and equipment - finance leases32,204 32,173 
Software31,143 39,252 
Construction in progress38,656 64,057 
Total property, plant and equipment641,999 653,724 
Less accumulated amortization and depreciation(389,633)(381,263)
Property, plant and equipment, net$252,366 $272,461