Restructuring and Other Items, net (Tables)

12 Months Ended

Dec. 31, 2024

Restructuring and Other Items, net [Abstract]

Restructuring Charges by Segment

The following table outlines the amount of restructuring charges recorded within the Consolidated Statements of Income and the segments they relate to:

Restructuring and Other Items, net	Year Ended December 31,
(millions of dollars)	2024		2023		2022
Asset Write-Downs
Consumer & Specialties	$	—	$	71.7	$	—
Total asset write-down charges	$	—	$	71.7	$	—
Severance and other employee costs
Consumer & Specialties	$	—	$	0.9	$	—
Engineered Solutions		—		3.2		—
Corporate		—		2.8		—
Total severance and other employee costs	$	—	$	6.9	$	—
Total restructuring and other items, net	$	—	$	78.6	$	—

Reconciliation of Restructuring Liability

The following table is a reconciliation of our restructuring liability balance as of December 31, 2024 and 2023:

	December 31,
(millions of dollars)	2024			2023
Restructuring liability, beginning of period	$	3.8		$	—
Additional provisions		—			6.9
Cash payments		(1.4	)		(2.8	)
Other		—			(0.3	)
Restructuring liability, end of period	$	2.4		$	3.8