Leases (Tables)

12 Months Ended

Dec. 31, 2022

Leases [Abstract]

Schedule of Lease Cost Components

The following represents the components of lease cost and other information for both operating and financing leases for the years ending December 31, 2022, 2021 and 2020:

($ in millions)	Year ended
	December 31, 2022			December 31, 2021			December 31, 2020
Lease Cost
Finance Lease Cost:
Amortization of right of use asset	$	8.9		$	7.1		$	3.5
Interest on lease liabilities	4.1			3.1			1.0
Operating lease cost	16.4			22.7			20.8
Short-term lease cost	2.9			1.6			1.9
Variable lease cost	1.0			0.9			0.9
Sublease income	—			(0.3)			(0.1)
Total lease cost	$	33.3		$	35.1		$	28.0
Other information
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from finance leases	$	4.1		$	3.0		$	1.0
Operating cash flows from operating leases	$	17.4		$	20.0		$	21.7
Financing cash flows from finance leases	$	20.9		$	14.3		$	6.2
Right of use assets obtained in exchange for new finance lease liabilities	$	15.3		$	58.9		$	42.3
Right of use assets obtained in exchange for new operating lease liabilities	$	18.0		$	4.8		$	12.4
Weighted average remaining lease term - finance leases	4 years			5 years			4 years
Weighted average remaining lease term - operating leases	6 years			5 years			6 years
Weighted average discount rate - finance leases	5.6		%	5.2		%	6.2		%
Weighted average discount rate - operating leases	6.8		%	6.5		%	6.9		%

Schedule of Operating Lease Liability Maturities

The following table reconciles future minimum undiscounted rental commitments for operating leases to the operating lease liabilities recorded on the consolidated balance sheet as of December 31, 2022 (in millions):

	December 31, 2022
2023	$	15.5
2024	12.7
2025	10.3
2026	8.0
2027	6.6
2028 and thereafter	16.5
Total undiscounted lease payments	$	69.6
Present value adjustment	(14.4)
Operating lease liabilities	$	55.2

Schedule of Finance Lease Liability Maturities

The following table reconciles future minimum undiscounted rental commitments for finance leases to the finance lease liabilities recorded on the consolidated balance sheet as of December 31, 2022 (in millions):

	December 31, 2022
2023	$	26.2
2024	22.4
2025	17.9
2026	11.0
2027	7.8
2028 and thereafter	3.0
Total undiscounted lease payments	$	88.3
Present value adjustment	(9.5)
Finance lease liabilities	$	78.8