Acquisitions, Goodwill and Other Intangible Assets - Acquired Intangibles (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Dec. 31, 2024
Acquired Finite-Lived Intangible Assets [Line Items]
Gross	$ 992.8	$ 962.9
Accumulated Amortization	(572.4)	(554.1)
Intangible assets, net	$ 420.4	$ 408.8
Weighted-Average Useful Life (years)	12 years	12 years
DealX
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	$ 13.1
Finite-lived Intangible Assets Acquired	13.1
Lumonic
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	10.6
Finite-lived Intangible Assets Acquired	10.6
Customer-related assets
Acquired Finite-Lived Intangible Assets [Line Items]
Gross	577.7	$ 572.4
Accumulated Amortization	(292.5)	(281.1)
Intangible assets, net	$ 285.2	$ 291.3
Weighted-Average Useful Life (years)	14 years	14 years
Intellectual property & other
Acquired Finite-Lived Intangible Assets [Line Items]
Gross	$ 89.0	$ 88.6
Accumulated Amortization	(68.9)	(67.5)
Intangible assets, net	$ 20.1	$ 21.1
Weighted-Average Useful Life (years)	8 years	8 years
Intellectual property & other | Lumonic
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	$ 0.1
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life	3 years
Finite-lived Intangible Assets Acquired	$ 0.1
Technology-Based Intangible Assets
Acquired Finite-Lived Intangible Assets [Line Items]
Gross	326.1	$ 301.9
Accumulated Amortization	(211.0)	(205.5)
Intangible assets, net	$ 115.1	$ 96.4
Weighted-Average Useful Life (years)	8 years	8 years
Technology-Based Intangible Assets | DealX
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	$ 12.5
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life	5 years
Finite-lived Intangible Assets Acquired	$ 12.5
Technology-Based Intangible Assets | Lumonic
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	$ 9.1
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life	8 years
Finite-lived Intangible Assets Acquired	$ 9.1
Customer-Related Intangible Assets | DealX
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	$ 0.6
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life	10 years
Finite-lived Intangible Assets Acquired	$ 0.6
Customer-Related Intangible Assets | Lumonic
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	$ 1.4
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life	15 years
Finite-lived Intangible Assets Acquired	$ 1.4