Employee Benefits (Tables)

3 Months Ended

Mar. 31, 2022

Compensation And Retirement Disclosure [Abstract]

Schedule of Total Expense Related to Benefit Plans

The following table presents the total expense related to all postretirement benefit plans (in millions of dollars):

	Quarter Ended March 31,
	2022			2021
Defined contribution plans1	$	5.7		$	3.4
Deferred compensation plan2		(0.3	)		—
Multiemployer pension plans1		1.2			1.1
Salaried VEBA2		0.9			0.6
Pension plans3		1.4			—
OPEB3		0.9			—
Total	$	9.8		$	5.1

^{1 Substantially all of the expense related to employee benefits are in Cost of products sold, excluding depreciation and amortization and other items (“Cost of products sold” or “COGS”) with the remaining balance in Selling, general, administrative, research and development (“SG&A and R&D”).}

^{2 The deferred compensation plan and the current service cost component of Net periodic postretirement benefit cost relating to Salaried VEBA are included within our Statements of Consolidated Income in SG&A and R&D for all periods presented. All other components of Net periodic postretirement benefit cost relating to Salaried VEBA are included within Other expense, net, on our Statements of Consolidated Income.}

^{3 The current service cost component of Net periodic postretirement benefit cost relating to both the pension plans and the OPEB are included within our Statements of Consolidated Income in COGS for all periods presented. All other components of Net periodic postretirement benefit cost relating to both the pension plans and the OPEB are included within Other expense, net, on our Statements of Consolidated Income.}

Schedule of Net Benefit Costs

The following table presents the components of Net periodic postretirement benefit cost (in millions of dollars):

	Pension Plans1					OPEB			Salaried VEBA
	Quarter Ended March 31,					Quarter Ended March 31,			Quarter Ended March 31,
	2022			2021		2022		2021	2022			2021
Service cost	$	1.4		$	—	$	0.4	n/a	$	—		$	—
Interest cost		0.2			—		0.5	n/a		0.5			0.4
Expected return on plan assets		(0.2	)		—		—	n/a		(0.8	)		(0.8	)
Amortization of prior service cost2		—			—		—	n/a		1.2			0.9
Amortization of net actuarial loss		—			—		—	n/a		—			0.1
Total net periodic postretirement benefit cost	$	1.4		$	—	$	0.9	n/a	$	0.9		$	0.6

¹ Net periodic benefit cost for the quarter ended March 31, 2021 included only the Canadian pension plan. Net periodic benefit cost for the U.S. pension plan was not included in our Statements of Consolidated Income until the March 31, 2021 acquisition date of our Warrick County, Indiana (“Warrick”) facility.

² We amortize prior service cost on a straight-line basis over the average remaining years of service to full eligibility for benefits of the active plan participants