Goodwill (Tables)

12 Months Ended

Dec. 31, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of changes in goodwill

The following table presents the changes in goodwill in 2022 and 2021 (in millions):

	Quant & Solutions		Other(1)		Total
Goodwill	$	22.1	$	5.0	$	27.1
Accumulated impairment	(1.8)		(5.0)		(6.8)
December 31, 2020	$	20.3	$	—	$	20.3
Additions	—		—		—
Impairments	—		—		—
Disposals	—		—		—
Goodwill	22.1		—		22.1
Accumulated impairment	(1.8)		—		(1.8)
December 31, 2021	$	20.3	$	—	$	20.3
Additions	—		—		—
Impairments	—		—		—
Disposals	—		—		—
Goodwill	22.1		—		22.1
Accumulated impairment	(1.8)		—		(1.8)
December 31, 2022	$	20.3	$	—	$	20.3

(1)Comprised of goodwill allocated to Campbell Global, a former affiliate that was divested in August 2021.