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Acquisitions, Goodwill and Other Intangible Assets - Acquired Intangibles (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025	Mar. 03, 2025	Mar. 01, 2025
Intangible Asset, Acquired, Finite-Lived [Line Items]
Gross	$ 1,228.2		$ 1,003.1
Accumulated Amortization	(636.8)		(623.8)
Intangible assets, net	591.4		379.3
DealX
Intangible Asset, Acquired, Finite-Lived [Line Items]
Finite-lived Intangible Assets Acquired		$ 13.1
Goodwill, Acquired During Period	139.6	9.7
Business Combination, Voting Equity Interest Acquired, Percentage					65.00%
Lumonic
Intangible Asset, Acquired, Finite-Lived [Line Items]
Finite-lived Intangible Assets Acquired		10.6
Goodwill, Acquired During Period		21.3
Business Combination, Voting Equity Interest Acquired, Percentage				100.00%
CRSP
Intangible Asset, Acquired, Finite-Lived [Line Items]
Finite-lived Intangible Assets Acquired	233.0
Goodwill, Acquired During Period	139.6
Business Combination, Voting Equity Interest Acquired, Percentage					100.00%
Customer-related assets
Intangible Asset, Acquired, Finite-Lived [Line Items]
Gross	693.0		583.9
Accumulated Amortization	(331.9)		(324.1)
Intangible assets, net	361.1		259.8
Intellectual property & other
Intangible Asset, Acquired, Finite-Lived [Line Items]
Gross	95.7		91.2
Accumulated Amortization	(75.1)		(74.2)
Intangible assets, net	20.6		17.0
Intellectual property & other \| Lumonic
Intangible Asset, Acquired, Finite-Lived [Line Items]
Finite-lived Intangible Assets Acquired		$ 0.1
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life		3 years
Intellectual property & other \| CRSP
Intangible Asset, Acquired, Finite-Lived [Line Items]
Finite-lived Intangible Assets Acquired	$ 5.0
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life	7 years
Technology-Based Intangible Assets
Intangible Asset, Acquired, Finite-Lived [Line Items]
Gross	$ 439.5		328.0
Accumulated Amortization	(229.8)		(225.5)
Intangible assets, net	209.7		$ 102.5
Technology-Based Intangible Assets \| DealX
Intangible Asset, Acquired, Finite-Lived [Line Items]
Finite-lived Intangible Assets Acquired		$ 12.5
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life		5 years
Technology-Based Intangible Assets \| Lumonic
Intangible Asset, Acquired, Finite-Lived [Line Items]
Finite-lived Intangible Assets Acquired		$ 9.1
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life		8 years
Technology-Based Intangible Assets \| CRSP
Intangible Asset, Acquired, Finite-Lived [Line Items]
Finite-lived Intangible Assets Acquired	$ 115.0
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life	8 years
Customer-Related Intangible Assets \| DealX
Intangible Asset, Acquired, Finite-Lived [Line Items]
Finite-lived Intangible Assets Acquired		$ 0.6
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life		10 years
Customer-Related Intangible Assets \| Lumonic
Intangible Asset, Acquired, Finite-Lived [Line Items]
Finite-lived Intangible Assets Acquired		$ 1.4
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life		15 years
Customer-Related Intangible Assets \| CRSP
Intangible Asset, Acquired, Finite-Lived [Line Items]
Finite-lived Intangible Assets Acquired	$ 113.0
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life	13 years