Leases (Tables)

9 Months Ended

Sep. 30, 2022

Leases [Abstract]

Schedule of Lease, Cost

The components of lease expense were as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
($ in millions)	2022		2021		2022		2021
Operating lease cost	$	3.7	$	3.3	$	10.4	$	9.5
Short-term lease cost	0.3		0.4		1.1		0.9
Variable lease cost	2.3		1.1		4.7		3.3
Total lease cost	$	6.3	$	4.8	$	16.2	$	13.7

Supplemental cash flow information related to leases were as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
($ in millions)	2022		2021		2022		2021
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	3.7	$	2.9	$	10.0	$	9.2
Right-of-use assets obtained in exchange for new operating lease liabilities	$	14.0	$	—	$	29.5	$	0.8

Schedule of Lessee, Operating Lease, Liability, Maturity

Maturities of operating lease liabilities were as follows:

($ in millions)	September 30,		December 31,
Year	2022		2021
2022 (remaining period as of)	$	4.2	$	11.5
2023	15.9		10.7
2024	14.9		10.0
2025	12.8		8.2
2026	11.6		7.3
Thereafter	45.0		38.7
	104.4		86.4
Less: imputed lease interest	(13.9)		(14.1)
Total lease liabilities	$	90.5	$	72.3