Reclassifications out of Accumulated Other Comprehensive Loss (Tables)

12 Months Ended

Dec. 31, 2023

Equity [Abstract]

Summary of Reclassifications Out of Accumulated Other Comprehensive Loss

Reclassifications out of accumulated other comprehensive loss (“AOCL”) for 2023 were:

(in millions)
Details about AOCL Components	Amount Reclassified from AOCL			Affected Line Item in the Statement where Net Income is Presented
Defined benefit pension plan items:
Amortization of prior service cost	$	0.5		See (1) below
Amortization of actuarial net losses		(2.1	)	See (1) below
		(1.6	)	Total before tax
		0.3		Income tax expense
Total reclassifications	$	(1.3	)	Net of tax

These items are included in the computation of net periodic pension cost. See Note 10 of the Notes to the Consolidated Financial Statements for additional information.

Reclassifications out of AOCL for 2022 were:

(in millions)
Details about AOCL Components	Amount Reclassified from AOCL			Affected Line Item in the Statement where Net Income is Presented
Defined benefit pension plan items:
Amortization of prior service cost	$	0.5		See (1) below
Amortization of actuarial net losses		0.5		See (1) below
		1.0		Total before tax
		(0.2	)	Income tax expense
Total reclassifications	$	0.8		Net of tax

These items are included in the computation of net periodic pension cost. See Note 10 of the Notes to the Consolidated Financial Statements for additional information.

Changes in Accumulated Other Comprehensive Loss

Changes in AOCL for 2023, net of tax, were:

(in millions)	Defined Benefit Pension Plan Items			Cumulative Translation Adjustments			Total
Balance at December 31, 2022	$	(58.4	)	$	(86.8	)	$	(145.2	)
Other comprehensive income/(losses) before reclassifications		—			15.9			15.9
Amounts reclassified from AOCL		(1.3	)		—			(1.3	)
Actuarial net gains/(losses) arising during the year		(17.5	)		—			(17.5	)
Net current period other comprehensive income/(losses)		(18.8	)		15.9			(2.9	)
Balance at December 31, 2023	$	(77.2	)	$	(70.9	)	$	(148.1	)

Changes in AOCL for 2022, net of tax, were:

(in millions)	Defined Benefit Pension Plan Items			Cumulative Translation Adjustments			Total
Balance at December 31, 2021	$	10.7		$	(57.6	)	$	(46.9	)
Other comprehensive income/(losses) before reclassifications		—			(29.2	)		(29.2	)
Amounts reclassified from AOCL		0.8			—			0.8
Actuarial net gains arising during the year		(69.9	)		—			(69.9	)
Net current period other comprehensive income/(losses)		(69.1	)		(29.2	)		(98.3	)
Balance at December 31, 2022	$	(58.4	)	$	(86.8	)	$	(145.2	)