Goodwill and Other Intangible Assets, Intangible Assets (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Intangible Assets
Weighted average useful lives of acquired amortizable intangible assets	10 years
Gross Carrying Amount (definite-lived)	$ 1,230.4	$ 1,261.8
Accumulated Amortization	714.1	696.1
Net Carrying Amount, (definite-lived)	516.3	565.7
Indefinite-lived trade name intangible asset	269.1	269.1
Intangible assets, gross (excluding goodwill)	1,499.5	1,530.9
Net Carrying Amount, intangible assets	$ 785.4	834.8
Customer relationships
Intangible Assets
Weighted average useful lives of acquired amortizable intangible assets	10 years
Gross Carrying Amount (definite-lived)	$ 780.2	782.6
Accumulated Amortization	462.5	450.6
Net Carrying Amount, (definite-lived)	$ 317.7	332.0
Proprietary technology
Intangible Assets
Weighted average useful lives of acquired amortizable intangible assets	13 years
Gross Carrying Amount (definite-lived)	$ 350.8	365.1
Accumulated Amortization	152.2	146.1
Net Carrying Amount, (definite-lived)	$ 198.6	219.0
Backlog and other
Intangible Assets
Weighted average useful lives of acquired amortizable intangible assets	1 year
Gross Carrying Amount (definite-lived)	$ 99.4	114.1
Accumulated Amortization	99.4	99.4
Net Carrying Amount, (definite-lived)	$ 0.0	$ 14.7