v3.26.1
Pension Plans and Other Postretirement Benefits (Net Periodic Benefit Cost (Income) For Pension And Postretirement Benefit Plans) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Pension Plan [Member] | Domestic Plan [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Service cost $ 2,973 $ 2,858 $ 5,946 $ 5,715
Interest cost 6,369 6,201 12,738 12,401
Expected return on plan assets (16,177) (15,114) (32,355) (30,228)
Amortization of prior service cost (credit) 46 45 93 90
Amortization of actuarial net (gain) loss (1,092) (1,011) (2,185) (2,023)
Net periodic benefit cost (income) (7,881) (7,021) (15,763) (14,045)
Pension Plan [Member] | Foreign Plan [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 867 859 1,748 1,666
Interest cost 1,760 1,728 3,548 3,359
Expected return on plan assets (4,567) (4,105) (9,208) (7,982)
Amortization of prior service cost (credit) 37 37 75 72
Amortization of actuarial net (gain) loss (400) (261) (806) (508)
Net periodic benefit cost (income) (2,303) (1,742) (4,643) (3,393)
Other Postretirement Benefits Plan [Member]        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 137 139 274 278
Interest cost 403 413 806 827
Expected return on plan assets (196) (199) (393) (398)
Amortization of prior service cost (credit) (757) (757) (1,514) (1,514)
Amortization of actuarial net (gain) loss (76) (70) (152) (140)
Net periodic benefit cost (income) $ (489) $ (474) $ (979) $ (947)