Restructuring Expenses (Tables)

12 Months Ended

Dec. 31, 2025

Restructuring and Related Activities [Abstract]

Schedule of Restructuring Charges

A summary of the restructuring charges is as follows:

	Years Ended December 31,
(Millions of dollars)	2025		2024		2023
Severance pay, related benefits and other costs	$	12.6	$	—	$	—
Total restructuring expense	$	12.6	$	—	$	—

Schedule of Reconciliation of the Changes in the Restructuring Liability

A reconciliation of the changes in the restructuring liability, as of December 31, 2025, is as follows:

(Millions of dollars)
Balance as of December 31, 2024	$	—
Charges incurred during the period	12.6
Cash payments	(7.0)
Changes in estimates and other adjustments	—
Balance as of December 31, 2025	$	5.6