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Accumulated other comprehensive loss
9 Months Ended
Sep. 30, 2020
Equity [Abstract]  
Accumulated other comprehensive loss Accumulated other comprehensive loss
The following table summarizes the components of, and the changes in, Accumulated Other Comprehensive Loss (AOCL), net of tax (in thousands):
Retirement PlansForeign Currency TranslationTotal
Quarters Ended:
Balance at June 30, 2020$(140,076)$(103)$(140,179)
Other comprehensive loss before reclassifications— (69)(69)
Amounts reclassified from AOCL1,161 — 1,161 
Total other comprehensive income1,161 (69)1,092 
Balance at Sept. 30, 2020$(138,915)$(172)$(139,087)
Balance at June 30, 2019$(134,233)$39 $(134,194)
Other comprehensive loss before reclassifications— (238)(238)
Amounts reclassified from AOCL1,073 — 1,073 
Total other comprehensive income1,073 (238)835 
Balance at Sept. 30, 2019$(133,160)$(199)$(133,359)
Retirement PlansForeign Currency TranslationTotal
Nine Months Ended:
Balance at Dec. 31, 2019$(142,398)$(199)$(142,597)
Other comprehensive income before reclassifications— 27 27 
Amounts reclassified from AOCL3,483 — 3,483 
Total other comprehensive income3,483 27 3,510 
Balance at Sept. 30, 2020$(138,915)$(172)$(139,087)
Balance at Dec. 31, 2018$(136,893)$382 $(136,511)
Other comprehensive income before reclassifications— (581)(581)
Amounts reclassified from AOCL3,733 — 3,733 
Total other comprehensive income3,733 (581)3,152 
Balance at Sept. 30, 2019$(133,160)$(199)$(133,359)

Reclassifications from AOCL to the Consolidated Statements of Income are comprised of pension and other post-retirement components. Pension and other post retirement reclassifications are related to the amortization of prior service costs, and amortization of actuarial losses. Amounts reclassified out of AOCL are summarized below (in thousands):
Quarter ended Sept. 30,Nine months ended Sept. 30,
2020201920202019
Amortization of prior service credit, net$(120)$(120)$(360)$(360)
Amortization of actuarial loss1,671 1,551 5,013 4,653 
Pension payment timing related charges— — — 686 
Total reclassifications, before tax1,551 1,431 4,653 4,979 
Income tax effect(390)(358)(1,170)(1,246)
Total reclassifications, net of tax$1,161 $1,073 $3,483 $3,733