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Property, Plant and Equipment
 12 Months Ended
Dec. 31, 2024
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment

5. Property, Plant and Equipment

 

Property, plant and equipment consist of the following:

 

December 31,  2024   2023 
           
Land and improvements  $2,826   $2,826 
Buildings and improvements   76,153    74,650 
Machinery and equipment   333,365    322,730 
Dies and tools   65,278    62,191 
Property, plant and equipment   477,622    462,397 
Less allowances for depreciation   (406,373)   (390,863)
Net property, plant and equipment  $71,249   $71,534 

Depreciation expense totaled $21.1 million, $21.1 million, and $24.4 million in 2024, 2023, and 2022, respectively.