Leases (Tables)

12 Months Ended

Dec. 31, 2022

Leases

Schedule of lease costs

		Year ended December 31,
	Classification		2022	2021
		(in millions)
Finance lease cost
Amortization of leased asset	Depreciation	$	8.9	$	10.1
Interest on lease liabilities	Interest expense		0.9		1.1
Operating lease cost(1)	Operating expense		6.2		8.0
Sublease income	Other income		(0.8)		(0.5)
Net lease cost		$	15.2	$	18.7

(1)  Includes short-term lease and variable costs of $0.7 and $1.2 million for the years ended December 31, 2022 and 2021, respectively.

Schedule of lease maturities, Finance Leases,

The following table presents aggregate lease maturities as of December 31, 2022:

	Finance Leases		Operating Leases		Total
	(in millions)
2023	$	11.1	$	5.7	$	16.8
2024		7.2		4.8		12.0
2025		2.7		3.4		6.1
2026		0.6		2.2		2.8
2027		0.1		1.2		1.3
Thereafter		—		1.3		1.3
Total lease payments		21.7		18.6		40.3
Less: interest		1.1		2.1		3.2
Present value of lease liabilities	$	20.6	$	16.5	$	37.1

The following table presents aggregate lease maturities as of December 31, 2021:

	Finance Leases		Operating Leases		Total
	(in millions)
2022	$	10.9	$	6.0	$	16.9
2023		7.7		5.0		12.7
2024		3.8		4.0		7.8
2025		0.7		2.7		3.4
2026		0.3		1.8		2.1
Thereafter		—		2.1		2.1
Total lease payments		23.4		21.6		45.0
Less: interest		1.1		2.7		3.8
Total lease payments	$	22.3	$	18.9	$	41.2

Schedule of lease maturities, Operating Leases

The following table presents aggregate lease maturities as of December 31, 2022:

	Finance Leases		Operating Leases		Total
	(in millions)
2023	$	11.1	$	5.7	$	16.8
2024		7.2		4.8		12.0
2025		2.7		3.4		6.1
2026		0.6		2.2		2.8
2027		0.1		1.2		1.3
Thereafter		—		1.3		1.3
Total lease payments		21.7		18.6		40.3
Less: interest		1.1		2.1		3.2
Present value of lease liabilities	$	20.6	$	16.5	$	37.1

The following table presents aggregate lease maturities as of December 31, 2021:

	Finance Leases		Operating Leases		Total
	(in millions)
2022	$	10.9	$	6.0	$	16.9
2023		7.7		5.0		12.7
2024		3.8		4.0		7.8
2025		0.7		2.7		3.4
2026		0.3		1.8		2.1
Thereafter		—		2.1		2.1
Total lease payments		23.4		21.6		45.0
Less: interest		1.1		2.7		3.8
Total lease payments	$	22.3	$	18.9	$	41.2

Schedule of weighted average remaining lease term and discount rate

	Year ended December 31,
	2022		2021
Weighted-average remaining lease term (in years)
Finance Leases	2.2		2.5
Operating Leases	4.0		4.5
Weighted-average discount rate
Finance Leases	4.59	%	4.02	%
Operating Leases	5.88	%	5.75	%

Schedule of other information related to operating and finance leases

	Year ended December 31,
	2022		2021
	(in millions)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	5.3	$	6.4
Operating cash flows from finance leases		0.9		1.1
Financing cash flows from finance leases		12.1		22.2
Right-of-use assets obtained in exchange for lease obligations:
Finance leases		10.3		11.5
Operating leases		2.7		1.0