Comprehensive Income (Tables)

6 Months Ended

Jun. 30, 2022

Equity [Abstract]

Schedule of Components of Other Comprehensive Income (Loss) and Income Tax Expense (Benefit) Allocated to Each Component

The components of other comprehensive income and income tax expense (benefit) allocated to each component for the three and six months ended June 30, 2022 and 2021 were as follows:

	Three Months Ended June 30, 2022									Six Months Ended June 30, 2022
	Before Tax			Income Tax			Net of Tax			Before Tax			Income Tax			Net of Tax
Translation adjustments	$	(0.6	)	$	(0.1	)	$	(0.5	)	$	(0.5	)	$	(0.1	)	$	(0.4	)
Adjustment for net periodic pension and other postretirement benefits plans		0.9			0.2			0.7			1.7			0.4			1.3
Other comprehensive income	$	0.3		$	0.1		$	0.2		$	1.2		$	0.3		$	0.9

	Three Months Ended June 30, 2021								Six Months Ended June 30, 2021
	Before Tax			Income Tax		Net of Tax			Before Tax		Income Tax		Net of Tax
Translation adjustments	$	(0.3	)	$	0.1	$	(0.4	)	$	0.7	$	0.2	$	0.5
Adjustment for net periodic pension and other postretirement benefits plans		1.0			0.2		0.8			1.9		0.5		1.4
Other comprehensive income	$	0.7		$	0.3	$	0.4		$	2.6	$	0.7	$	1.9

Schedule of Changes in Accumulated Other Comprehensive Loss

The following table summarizes changes in accumulated other comprehensive loss by component for the six months ended June 30, 2022:

	Pension and Other Postretirement Benefits Plans Cost			Translation Adjustments			Total
Balance at December 31, 2021	$	(64.4	)	$	(13.9	)	$	(78.3	)
Other comprehensive loss before reclassifications		—			(0.4	)		(0.4	)
Amounts reclassified from accumulated other comprehensive loss		1.3			—			1.3
Net change in accumulated other comprehensive loss		1.3			(0.4	)		0.9
Balance at June 30, 2022	$	(63.1	)	$	(14.3	)	$	(77.4	)

The following table summarizes changes in accumulated other comprehensive loss by component for the six months ended June 30, 2021:

	Pension and Other Postretirement Benefits Plans Cost			Translation Adjustments			Total
Balance at December 31, 2020	$	(67.6	)	$	(13.2	)	$	(80.8	)
Other comprehensive income before reclassifications		—			0.9			0.9
Amounts reclassified from accumulated other comprehensive loss		1.4			(0.4	)		1.0
Net change in accumulated other comprehensive loss		1.4			0.5			1.9
Balance at June 30, 2021	$	(66.2	)	$	(12.7	)	$	(78.9	)

Reclassifications from Accumulated Other Comprehensive Loss, Amortization of Pension Plan Cost

Reclassifications from accumulated other comprehensive loss for the three and six months ended June 30, 2022 and 2021 were as follows:

	Three Months Ended June 30,					Six Months Ended June 30,
	2022		2021			2022		2021
Amortization of pension and other postretirement benefits plans cost:
Net actuarial loss (a)	$	0.8	$	1.0		$	1.6	$	1.9
Reclassification of translation adjustment (b)		—		(0.5	)		—		(0.5	)
Reclassifications before tax		0.8		0.5			1.6		1.4
Income tax expense		0.1		0.1			0.3		0.4
Reclassifications, net of tax	$	0.7	$	0.4		$	1.3	$	1.0

(a)These accumulated other comprehensive loss components are included in the calculation of net periodic pension and other postretirement benefits plans income recognized in investment and other income, net in the Unaudited Condensed Consolidated Statements of Operations (see Note 6, Retirement Plans).

(b)Translation adjustment reclassification resulting from the liquidation of a foreign subsidiary is included in investment and other income, net in the Unaudited Condensed Consolidated Statements of Operations.