Leases (Tables)

12 Months Ended

Dec. 31, 2025

Leases [Abstract]

Components of Lease Costs

Operating lease cost was $18.8 million, $17.3 million, and $16.8 million for the years ended December 31, 2025, 2024, and 2023, respectively. The components of lease costs are as follows:

	December 31,
(in millions of dollars)		2025		2024		2023
Operating lease cost	$	18.8	$	17.3	$	16.7
Short-term lease cost		-		-		0.1
Total lease cost	$	18.8	$	17.3	$	16.8

Supplemental Cash Flow Information and Non-cash Activity Related to Operating Leases

Supplemental cash flow information and non-cash activity related to our leases are as follows:

(in millions of dollars)		December 31,
Operating cash flows information:		2025
Cash paid for amounts included in the measurement of lease liabilities	$	20.0
Non-cash activity:
Right-of-use assets obtained in the exchange for operating lease liabilities	$	13.2

Weighted Average Remaining Lease Term and Discount Rates

Weighted average remaining lease term and weighted average discount rates related to the Company’s leases were as follows:

Weighted-average remaining operating lease term (in years)	4.88
Weighted-average operating leases discount rate	6.1	%

Outstanding Lease Assets and Liabilities

The following table summarizes the Company’s outstanding lease assets and liabilities and their classification on the Consolidated Balance Sheets:

			December 31,
(in millions of dollars)	Balance Sheet Classification			2025		2024
Right-of-use asset		Other assets and deferred charges	$	45.2	$	46.9
Lease liability - current		Other current liabilities		16.5		14.5
Lease liability - non-current		Other non-current liabilities		33.8		38.7

Future Minimum Lease Payments

Future minimum lease payments under the Company’s leases as of December 31, 2025, were as follows:

		December 31,
(in millions of dollars)		2025
2026	$	19.0
2027		14.1
2028		10.8
2029		4.9
2030		3.4
Thereafter		6.0
Total undiscounted lease payments		58.2
Less: imputed interest		(7.9	)
Present Value of Lease Liability	$	50.3