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Components of Accumulated Other Comprehensive Loss
 6 Months Ended
Jun. 30, 2023
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Components of Accumulated Other Comprehensive Loss Components of Accumulated Other Comprehensive Loss
Components of AOCL:
June 30, 2023
December 31, 2022
Defined benefit plan liabilities
$(94.6)$(98.0)
Unrealized gain on financial instruments1.7 1.7 
Other comprehensive loss before income tax effect
(92.9)(96.3)
Income tax effect(1)
2.2 2.3 
Accumulated other comprehensive loss
$(90.7)$(94.0)
(1) The allocation of the income tax effect to the components of other comprehensive loss is as follows:
June 30, 2023
December 31, 2022
Defined benefit plan liabilities$2.6 $2.6 
Unrealized gain on financial instruments(0.4)(0.3)
The following table summarizes the changes in the accumulated balances for each component of AOCL:
Defined benefit plan and other postretirement liabilitiesUnrealized gain on financial instrumentsTotal, net of tax
Balance, April 1, 2023$(94.4)$1.5 $(92.9)
Net amount reclassified to net income2.2 0.0 2.2 
Balance, June 30, 2023
$(92.2)$1.5 $(90.7)
Balance, April 1, 2022$(83.4)$1.7 $(81.7)
Net amount reclassified to net income0.8 0.0 0.8 
Balance, June 30, 2022
$(82.6)$1.7 $(80.9)
Balance, January 1, 2023$(95.6)$1.6 $(94.0)
Net amount reclassified to net loss3.4 (0.1)3.3 
Balance, June 30, 2023
$(92.2)$1.5 $(90.7)
Balance, January 1, 2022$(84.0)$1.7 $(82.3)
Net amount reclassified to net income1.4 0.0 1.4 
Balance, June 30, 2022
$(82.6)$1.7 $(80.9)
Reclassifications out of AOCL were included in the consolidated statements of operations as follows:
Three months ended June 30,
Six months ended June 30,
AOCL ComponentsLocation2023202220232022
Defined benefit plan and other postretirement liabilitiesCost of goods sold$1.4 $0.5 $2.2 $0.9 
Selling, general and administrative expenses0.1 0.2 0.3 0.3 
Other operating expense - net0.7 0.3 0.9 0.5 
Income tax effect— (0.1)— (0.2)
Net of tax$2.2 $0.9 $3.4 $1.5 
Unrealized gain (loss) on financial instrumentsCost of goods sold$0.0 $(0.1)$(0.1)$(0.1)
Income tax effect0.0 0.0 0.0 0.0 
Net of tax$0.0 $(0.1)$(0.1)$(0.1)