Leases (Tables)

12 Months Ended

Dec. 31, 2023

Leases [Abstract]

Schedule of operating lease expense under ASC 842 for leased facilities

Operating lease expense under ASC 842 for leased facilities is presented below:

	December 31,
	2023		2022
Operating lease expense	$	8.1	$	7.0
Short term lease expense	0.1		0.2
Variable lease cost	0.7		0.2
	$	8.9	$	7.4

Supplemental cash flow information related to operating leases is as follows ($ in millions):

	December 31,
	2023		2022
Operating cash outflow from operating leases	$	8.7	$	6.5
Operating cash inflow from operating subleases	$	0.4	$	—
RoU assets obtained in exchange for lease liabilities for operating leases	$	—	$	11.0

Schedule of weighted-average remaining lease term and discount rate

Weighted-average remaining lease term and discount rate are as follows:

	December 31,
	2023		2022
Weighted-average remaining lease term (in years)	4.0		4.7
Weighted-average discount rate	6.09	%	4.62	%

Schedule of operating lease maturity

Maturities of operating lease liabilities as of December 31, 2023 is as follows ($ in millions):

2024	$	10.1
2025	9.0
2026	4.5
2027	2.6
2028	2.7
Thereafter	3.4
Total	$	32.3