Accumulated Other Comprehensive Loss, Net of Tax (Notes)

9 Months Ended

Sep. 30, 2024

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Comprehensive Income (Loss) Note [Text Block]

Accumulated Other Comprehensive Loss, Net of Tax

The following tables present the changes in accumulated other comprehensive loss, net of tax, by component.

	Foreign Currency Translation Adjustments		Derivative Instruments		Defined Benefit Pension and Other Postretirement Plans		Total
Balance as of December 31, 2023	$	(789.1)	$	33.5	$	(190.6)	$	(946.2)
Other comprehensive (loss) income before reclassifications	(3.8)		—		0.8		(3.0)
Amount reclassified from accumulated other comprehensive loss, net of tax	1.2		(2.1)		4.0		3.1
Balance as of September 30, 2024	$	(791.7)	$	31.4	$	(185.8)	$	(946.1)

	Foreign Currency Translation Adjustments		Derivative Instruments		Defined Benefit Pension and Other Postretirement Plans		Total
Balance as of December 31, 2022	$	(849.1)	$	35.0	$	(179.6)	$	(993.7)
Other comprehensive (loss) income before reclassifications	(28.6)		0.5		2.8		(25.3)
Amount reclassified from accumulated other comprehensive loss, net of tax	0.5		(1.3)		4.0		3.2
Balance as of September 30, 2023	$	(877.2)	$	34.2	$	(172.8)	$	(1,015.8)

Amounts reclassified from accumulated other comprehensive loss, net of tax, for the three and nine months ended September 30, 2024 and 2023 are as follows:

	Three months ended September 30,				Nine months ended September 30,				Affected Line Item in the Consolidated Statements of Operations
	2024		2023		2024		2023
Foreign currency translation adjustments	$	1.2	$	0.0	$	1.2	$	0.5	Other expense, net
Net gain on derivative instruments	(1.0)		(1.1)		(2.8)		(1.7)		Other expense, net, Interest expense
Amortization of defined benefit pension and postretirement plan items	1.8		1.8		5.4		5.2		Other expense, net
Tax effect	(0.2)		—		(0.7)		(0.8)		Provision for income taxes
Total amount reclassified from accumulated other comprehensive loss, net of tax	$	1.8	$	0.7	$	3.1	$	3.2