Leases (Tables)

12 Months Ended

Dec. 31, 2022

Leases [Abstract]

Schedule of Lease Terms and Discount Rates

The following table presents lease terms and discount rates as of December 31, 2022:

	Finance Leases			Operating Leases
Weighted-average lease term (in years)		29.0			7.0
Weighted-average discount rate		3.51	%		3.95	%

Schedule of Lease Assets and Lease Liabilities

The following table summarizes the classification of lease assets and lease liabilities on our Consolidated Balance Sheets (in millions of dollars):

		As of December 31,
Description	Classification	2022		2021
Operating lease assets	Operating lease assets	$	39.1	$	46.2
Finance lease assets	Property, plant and equipment, net	$	6.7	$	8.2
Current operating lease liabilities	Other accrued liabilities	$	9.1	$	9.0
Current finance lease liabilities	Other accrued liabilities	$	2.1	$	2.1
Non-current operating lease liabilities	Long-term portion of operating lease liabilities	$	35.4	$	40.8
Non-current finance lease liabilities	Long-term liabilities	$	5.0	$	6.1

Components of Lease Cost

The following table summarizes the components of lease cost in our Statements of Consolidated (Loss) Income (in millions of dollars):

	Year Ended December 31,
	2022		2021		2020
Operating lease cost	$	12.1	$	11.0	$	6.8
Short-term lease cost		4.3		3.2		1.6
Finance lease cost:
Amortization of leased assets		2.5		2.1		1.6
Interest on lease liabilities		0.3		0.3		0.3
Total lease cost	$	19.2	$	16.6	$	10.3

Schedule of Maturity of Our Lease Liabilities

The following table presents the maturity of our lease liabilities as of December 31, 2022 (in millions of dollars):

	Finance Leases			Operating Leases
2023	$	2.3		$	10.6
2024		1.7			9.8
2025		1.3			6.4
2026		0.7			4.2
2027		0.1			3.6
Thereafter		5.7			17.6
Total minimum lease payments	$	11.8		$	52.2
Less: interest		(4.7	)		(7.7	)
Present value	$	7.1		$	44.5