Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Pre-tax and After-tax Components of Other Comprehensive Income (Loss) (Details)

v3.20.4
Stockholders' Equity - Pre-tax and After-tax Components of Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
After-tax amount      
Pre-tax amount $ (8,455) $ 19,800 $ (50,217)
Tax benefit / (expense) (6,960) 2,854 6,873
Total other comprehensive income (loss) (15,415) 22,654 (43,344)
Amortization of net gains and (losses)      
After-tax amount      
Pre-tax amount 2,824 2,970 (10,279)
Tax benefit / (expense) (712) (423) 2,380
Total other comprehensive income (loss) 2,112 2,547 (7,899)
Amortization of prior service cost      
After-tax amount      
Pre-tax amount (232) (156) (78)
Tax benefit / (expense) 58 39 19
Total other comprehensive income (loss) (174) (117) (59)
Benefit plans, net      
After-tax amount      
Pre-tax amount 2,592 2,814 (10,357)
Tax benefit / (expense) (654) (384) 2,399
Total other comprehensive income (loss) 1,938 2,430 (7,958)
Net loss (gain) from hedging activities      
After-tax amount      
Pre-tax amount 221 (3,553) (441)
Tax benefit / (expense) (55) 888 110
Total other comprehensive income (loss) 166 (2,665) (331)
Foreign currency translation      
After-tax amount      
Pre-tax amount (11,268) 20,539 (39,419)
Tax benefit / (expense) (6,251) 2,350 4,364
Total other comprehensive income (loss) $ (17,519) $ 22,889 $ (35,055)