v3.26.1
Pension Plans and Other Postretirement Benefits - Domestic and Foreign Pension and Postretirement Defined Benefit Plans (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Defined Benefit Plan Disclosure [Line Items]        
Total net pension and postretirement benefits cost $ 2,378 $ 1,808 $ 5,299 $ 3,504
Pension Plan        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 1,500 1,447 3,050 2,844
Interest cost 8,365 8,454 16,777 16,793
Expected return on assets (8,140) (8,588) (15,834) (17,123)
Amortization of prior service benefit 20 20 40 39
Total net pension and postretirement benefits cost 1,745 1,333 4,033 2,553
Postretirement Benefits        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 4 5 8 10
Interest cost 629 470 1,258 941
Total net pension and postretirement benefits cost $ 633 $ 475 $ 1,266 $ 951