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Accumulated Other Comprehensive (Loss) Income
3 Months Ended
Mar. 31, 2021
Equity [Abstract]  
Accumulated Other Comprehensive (Loss) Income Accumulated Other Comprehensive (Loss) Income
The components of and changes in accumulated other comprehensive loss for the three months ended March 31, 2021 and 2020 were as follows:

 Cumulative Translation AdjustmentPension and Postretirement BenefitsTotalCumulative Translation AdjustmentPension and Postretirement BenefitsTotal
(In millions)
Three Months Ended March 31, 2021Three Months Ended March 31, 2020
Beginning balance$(8.3)$(9.8)$(18.1)$(22.4)$(14.6)$(37.0)
Currency translation (a)
(4.3)— (4.3)(16.6)— (16.6)
Pension and OPEB activity, net of tax— 0.2 0.2 — 0.5 0.5 
Ending balance$(12.6)$(9.6)$(22.2)$(39.0)$(14.1)$(53.1)

(a)No income taxes were provided on currency translation as foreign earnings are considered permanently reinvested.