v3.26.1
Accumulated Other Comprehensive Income ("AOCI") (Schedule of Accumulated Other Comprehensive Income) (Details) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Balance at start of the period $ 732,102 $ 948,947
Balance at end of the period 752,089 894,109
Total Accumulated Other Comprehensive Income/(Loss)    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Balance at start of the period (143,538) (195,989)
Foreign currency translation and other adjustments (1,451) 52,752
Pension settlement expense, net of tax   (1,178)
Net current period other comprehensive income/(loss) (1,139) 51,697
Balance at end of the period (144,677) (144,292)
Total Accumulated Other Comprehensive Income/(Loss) | Interest (expense)/income related to swaps reclassified to the Consolidated Statements of Income/(Loss), net of tax    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Amounts reclassified to the Consolidated Statements of Income/(Loss), net of tax (154) (237)
Total Accumulated Other Comprehensive Income/(Loss) | Pension and postretirement liability adjustments reclassified to Consolidated Statements of Income/(Loss), net of tax    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Amounts reclassified to the Consolidated Statements of Income/(Loss), net of tax 466 360
Translation adjustments    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Balance at start of the period (119,008) (181,555)
Foreign currency translation and other adjustments (2,735) 55,971
Net current period other comprehensive income/(loss) (2,735) 55,971
Balance at end of the period (121,743) (125,584)
Pension and postretirement liability adjustments    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Balance at start of the period (23,911) (14,328)
Foreign currency translation and other adjustments 380 (2,699)
Pension settlement expense, net of tax   (1,178)
Net current period other comprehensive income/(loss) 846 (3,517)
Balance at end of the period (23,065) (17,845)
Pension and postretirement liability adjustments | Pension and postretirement liability adjustments reclassified to Consolidated Statements of Income/(Loss), net of tax    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Amounts reclassified to the Consolidated Statements of Income/(Loss), net of tax 466 360
Derivative valuation adjustment    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Balance at start of the period (619) (106)
Foreign currency translation and other adjustments 904 (520)
Net current period other comprehensive income/(loss) 750 (757)
Balance at end of the period 131 (863)
Derivative valuation adjustment | Interest (expense)/income related to swaps reclassified to the Consolidated Statements of Income/(Loss), net of tax    
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]    
Amounts reclassified to the Consolidated Statements of Income/(Loss), net of tax $ (154) $ (237)