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Consolidated Statements Of Shareholders' Equity (Parenthetical) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Statement of Stockholders' Equity [Abstract]      
Foreign currency translation adjustment, tax (benefit) $ 365 $ 897 $ 623
Derivative financial instruments adjustment, tax (benefit) (351) 790 71
Net gains or losses and prior service costs, tax (benefit) (5,212) 4,228 6,417
Amortization of prior service costs and net gains or losses, tax $ (3,676) $ (3,937) $ (2,359)
Cash dividends declared (in usd per share) $ 0.48 $ 6.45 $ 0.46