Goodwill and Other Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2023

Goodwill and Intangible Assets Disclosure [Abstract]

Balances of Goodwill by Reporting Segment

The goodwill balances by reportable segment were as follows:

	Gross book value at December 31, 2022		Accumulated impairment charges at December 31, 2022			Net book value at December 31, 2022		Foreign exchange and other adjustments		Net book  value at March 31, 2023
Capital Markets - Software Solutions	$	100.1	$	—		$	100.1	$	—	$	100.1
Capital Markets - Compliance and Communications Management		252.7		—			252.7		—		252.7
Investment Companies - Software Solutions		53.0		—			53.0		—		53.0
Investment Companies - Compliance and Communications Management		40.6		(40.6	)		—		—		—
Total	$	446.4	$	(40.6	)	$	405.8	$	—	$	405.8

Components of Other Intangible Assets

The components of other intangible assets at March 31, 2023 and December 31, 2022 were as follows:

	March 31, 2023							December 31, 2022
	Gross Carrying Amount		Accumulated Amortization			Net Book Value		Gross Carrying Amount		Accumulated Amortization			Net Book Value
Customer relationships (useful life of 15 years)	$	10.4	$	(3.0	)	$	7.4	$	10.4	$	(2.8	)	$	7.6
Trade names (useful life of 5 years)		1.0		(0.8	)		0.2		1.0		(0.8	)		0.2
Total other intangible assets	$	11.4	$	(3.8	)	$	7.6	$	11.4	$	(3.6	)	$	7.8

Schedule of Estimated Annual Amortization Expense Related to Other Intangible Assets

The following table outlines the estimated annual amortization expense related to other intangible assets:

For the year ending December 31,	Amount
2023 (excluding the three months ended March 31, 2023)	$	0.7
2024		0.7
2025		0.7
2026		0.7
2027		0.7
2028 and thereafter		4.1
Total	$	7.6