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Accumulated Other Comprehensive Income (Loss) by Component (Notes)
12 Months Ended
Dec. 31, 2023
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Accumulated Other Comprehensive Income (Loss) by Component
15.     ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS)
The table below presents the changes in Accumulated other comprehensive income (loss) by component.
(in millions)Pension and postretirement benefitCumulative foreign currency translation adjustmentTotal
Balance as of December 31, 2021$(42.7)(352.7)$(395.4)
Other comprehensive loss before reclassification(23.2)(231.3)(254.5)
Amounts reclassified from AOCI after tax expense of $0.4, $- and $0.41.7 — 1.7 
Other comprehensive loss after tax expense of $6.1, $- and $6.1(21.5)(231.3)(252.8)
Balance as of December 31, 2022(64.2)(584.0)(648.2)
Other comprehensive (loss) income before reclassification(1.4)56.3 54.9 
Amounts reclassified from AOCI after tax expense of $0.5, $- and $0.51.8  1.8 
Other comprehensive income after tax expense of $3.2, $- and $3.20.4 56.3 56.7 
Balance as of December 31, 2023$(63.8)(527.7)$(591.5)
For pension and postretirement benefits, we report amounts reclassified from Accumulated other comprehensive loss in Other income within the Consolidated Statements of Comprehensive Income.