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Changes in Accumulated Other Comprehensive Income (Loss) by Component - Reclassifications (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Amounts reclassified from accumulated other comprehensive income (loss): |  |
Interest expense, net | $ 2,113 | $ 2,975
Tax expense (benefit) | (1,017) | (77)
Reclassification net of tax | 3,908 | (731)
Other Postretirement Benefit Liability | Amount reclassified from accumulated other comprehensive income |  |
Amounts reclassified from accumulated other comprehensive income (loss): |  |
Actuarial gains | (55) | (78)
Tax expense (benefit) | 14 | 20
Reclassification net of tax | (41) | (58)
Unrealized Net Gain (Loss) on Interest Rate Swap | Interest rate swap | Amount reclassified from accumulated other comprehensive income |  |
Amounts reclassified from accumulated other comprehensive income (loss): |  |
Interest expense, net | 1,030 | 1,050
Tax expense (benefit) | (268) | (273)
Reclassification net of tax | $ 762 | $ 777

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