Goodwill and Other Intangible Assets, Intangible Assets (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Intangible Assets
Weighted average useful lives of acquired amortizable intangible assets	10 years
Gross Carrying Amount (definite-lived)	$ 1,140.1	$ 1,073.9
Accumulated Amortization	665.0	608.9
Net Carrying Amount, (definite-lived)	475.1	465.0
Indefinite-lived trade name intangible asset	269.1	269.1
Intangible assets, gross (excluding goodwill)	1,409.2	1,343.0
Net Carrying Amount, intangible assets	$ 744.2	734.1
Customer relationships
Intangible Assets
Weighted average useful lives of acquired amortizable intangible assets	10 years
Gross Carrying Amount (definite-lived)	$ 732.9	677.0
Accumulated Amortization	432.6	398.3
Net Carrying Amount, (definite-lived)	$ 300.3	278.7
Proprietary technology
Intangible Assets
Weighted average useful lives of acquired amortizable intangible assets	13 years
Gross Carrying Amount (definite-lived)	$ 310.0	310.0
Accumulated Amortization	140.2	123.8
Net Carrying Amount, (definite-lived)	$ 169.8	186.2
Backlog and other
Intangible Assets
Weighted average useful lives of acquired amortizable intangible assets	1 year
Gross Carrying Amount (definite-lived)	$ 97.2	86.9
Accumulated Amortization	92.2	86.8
Net Carrying Amount, (definite-lived)	$ 5.0	$ 0.1