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Accumulated Other Comprehensive Income (Loss) (Tables)
3 Months Ended
Mar. 31, 2021
Equity [Abstract]  
Schedule of Accumulated Other Comprehensive Loss
Changes in accumulated other comprehensive income (loss) ("AOCI") by component, including items reclassified out of AOCI, were as follows:
Three Months Ended March 31, 2021
(in thousands)Defined Benefit Pension ItemsOtherTotal
Beginning balance, December 31, 2020$(99,789)$(330)$(100,119)
Other comprehensive income (loss) before reclassifications— — — 
Amounts reclassified from AOCI, net of tax of $374(a)
1,187 18 1,205 
Net current-period other comprehensive income (loss)1,187 18 1,205 
Ending balance, March 31, 2021$(98,602)$(312)$(98,914)
Three Months Ended March 31, 2020
(in thousands)Defined Benefit Pension ItemsOtherTotal
Beginning balance, December 31, 2019$(98,734)$(255)$(98,989)
Other comprehensive income (loss) before reclassifications— — — 
Amounts reclassified from AOCI, net of tax of $286(a)
902 908 
Net current-period other comprehensive income (loss)902 908 
Ending balance, March 31, 2020$(97,832)$(249)$(98,081)
(a) Actuarial gain (loss) is included in defined benefit pension plan expense in the Condensed Consolidated Statements of Operations