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Accumulated Other Comprehensive Earnings (Loss) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Foreign currency translation:      
Reclassification of foreign currency translation losses to earnings $ 0 $ 0 $ (25,339)
Tax benefit 0 0 0
Reclassification of foreign currency translation losses to earnings 0 0 25,339
Pension and other postretirement benefit plans:      
Amortization of actuarial losses 12,278 8,583 759
Amortization of prior service costs and transition obligation 1,304 1,442 2,729
Settlement and curtailment 1,482 25 961
Total before tax 15,064 10,050 4,449
Tax benefit (3,423) (2,184) (906)
Net of tax 11,641 7,866 3,543
Cash flow hedges:      
Net gains reclassified into earnings (6,271) (817) (186)
Tax expense 1,400 185 39
Net gains reclassified into earnings $ (4,871) $ (632) $ (147)