Goodwill and Intangible Assets

6 Months Ended

Jun. 30, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

Goodwill and Intangible Assets

Computer Software and Goodwill:

	Computer software		Goodwill
January 1, 2025	$	676.3	$	3,409.8
Additions at cost (1)	53.4		—
Amortization	(50.1)		—
Other (2)	12.2		35.2
March 31, 2025	$	691.8	$	3,445.0
Additions at cost (1)	48.4		—
Amortization	(53.7)		—
Other (2)	17.9		32.8
June 30, 2025	$	704.4	$	3,477.8
January 1, 2024	$	666.3	$	3,445.8
Additions at cost (1)	52.5		—
Amortization	(40.7)		—
Other (2)	(6.7)		(21.1)
March 31, 2024	$	671.4	$	3,424.7
Additions at cost (1)	54.9		—
Amortization	(41.4)		—
Impairment / Write-off	(0.2)		—
Other (2)	—		1.9
June 30, 2024	$	684.7	$	3,426.6

Other Intangibles:

	Customer relationships		Reacquired rights		Database		Other indefinite-lived intangibles		Other intangibles		Total
January 1, 2025	$	1,108.7	$	200.3	$	790.0	$	1,280.0	$	127.8	$	3,506.8
Additions at cost	—		—		—		—		0.2		0.2
Amortization	(47.9)		(4.6)		(34.2)		—		(4.1)		(90.8)
Other (2)	3.6		10.6		3.0		—		1.6		18.8
March 31, 2025	$	1,064.4	$	206.3	$	758.8	$	1,280.0	$	125.5	$	3,435.0
Additions at cost	—		—		—		—		0.3		0.3
Amortization	(46.5)		(5.0)		(33.2)		—		(4.2)		(88.9)
Other (2)	3.6		17.3		2.1		—		3.1		26.1
June 30, 2025	$	1,021.5	$	218.6	$	727.7	$	1,280.0	$	124.7	$	3,372.5
January 1, 2024	$	1,316.7	$	233.9	$	940.6	$	1,280.0	$	144.7	$	3,915.9
Additions at cost	—		—		—		—		0.1		0.1
Amortization	(52.4)		(4.8)		(37.7)		—		(4.1)		(99.0)
Other (2)	(2.6)		(6.3)		(2.4)		—		(0.5)		(11.8)
March 31, 2024	$	1,261.7	$	222.8	$	900.5	$	1,280.0	$	140.2	$	3,805.2
Additions at cost	—		—		—		—		0.3		0.3
Amortization	(50.5)		(4.7)		(36.5)		—		(4.1)		(95.8)
Other (2)	0.3		(0.7)		0.3		—		—		(0.1)
June 30, 2024	$	1,211.5	$	217.4	$	864.3	$	1,280.0	$	136.4	$	3,709.6

(1)Primarily related to software-related enhancements on products and purchased software.

(2)Primarily due to the impact of foreign currency fluctuations.