v3.26.1
Property, Plant and Equipment - Components (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Property, Plant, and Equipment    
Gross property, plant and equipment $ 1,681,619 $ 1,705,400
Less: Accumulated depreciation (1,276,225) (1,281,301)
Property, plant and equipment, net 405,394 424,099
Land    
Property, Plant, and Equipment    
Gross property, plant and equipment 24,222 24,541
Buildings and improvements    
Property, Plant, and Equipment    
Gross property, plant and equipment 161,454 162,000
Machinery and equipment    
Property, Plant, and Equipment    
Gross property, plant and equipment 1,461,842 1,493,339
Uncompleted construction    
Property, Plant, and Equipment    
Gross property, plant and equipment $ 34,101 $ 25,520