XML 86 R64.htm IDEA: XBRL DOCUMENT v3.21.1
Other Comprehensive Earnings (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Other Comprehensive Income Loss Reclassification Adjustment From AOCI Pension And Other Postretirement Benefit Plans Net Of Tax Abstract [Abstract]    
Amortization of actuarial losses $ 3,085 $ 2,158
Amortization of prior service costs 270 365
Total before tax 3,355 2,523
Tax (benefit) provision (773) (568)
Net of tax 2,582 1,955
Other Comprehensive Income Loss Reclassification Adjustment From AOCI Derivatives Net of Tax [Abstract]    
Net (gains) losses reclassified into earnings (1,833) 1,420
Tax expense (benefit) 422 (299)
Net of tax $ (1,411) $ 1,121