Goodwill and Other Intangible Assets, Intangible Assets (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Intangible Assets
Useful lives	11 years
Gross Carrying Amount (definite-lived)	$ 1,793.2	$ 1,261.8
Accumulated Amortization	753.6	696.1
Net Carrying Amount, (definite-lived)	1,039.6	565.7
Indefinite-lived trade name intangible asset	269.1	269.1
Intangible assets, gross (excluding goodwill)	2,062.3	1,530.9
Net Carrying Amount, intangible assets	$ 1,308.7	834.8
Customer relationships
Intangible Assets
Useful lives	12 years
Gross Carrying Amount (definite-lived)	$ 1,289.3	782.6
Accumulated Amortization	479.3	450.6
Net Carrying Amount, (definite-lived)	$ 810.0	332.0
Proprietary technology
Intangible Assets
Useful lives	13 years
Gross Carrying Amount (definite-lived)	$ 350.7	365.1
Accumulated Amortization	158.4	146.1
Net Carrying Amount, (definite-lived)	$ 192.3	219.0
Backlog and other
Intangible Assets
Useful lives	1 year
Gross Carrying Amount (definite-lived)	$ 153.2	114.1
Accumulated Amortization	115.9	99.4
Net Carrying Amount, (definite-lived)	$ 37.3	$ 14.7