Goodwill and Other Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Amortized intangible assets
Accumulated Amortization	$ (1,975.7)	$ (1,897.6)
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Gross Carrying Amount	5,565.3	5,508.7
Accumulated Amortization	(1,975.7)	(1,897.6)
Net Carrying Amount	3,589.6	3,611.1
Tradenames
Unamortized intangible assets
Carrying amount	1,638.8	1,643.3
Customer lists and relationships
Amortized intangible assets
Gross Carrying Amount	3,325.5	3,279.3
Accumulated Amortization	(1,643.2)	(1,585.4)
Net Carrying Amount	1,682.3	1,693.9
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Accumulated Amortization	(1,643.2)	(1,585.4)
Technology
Amortized intangible assets
Gross Carrying Amount	418.6	413.8
Accumulated Amortization	(195.3)	(178.9)
Net Carrying Amount	223.3	234.9
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Accumulated Amortization	(195.3)	(178.9)
Tradenames
Amortized intangible assets
Gross Carrying Amount	56.8	52.2
Accumulated Amortization	(28.9)	(27.9)
Net Carrying Amount	27.9	24.3
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Accumulated Amortization	(28.9)	(27.9)
Backlog
Amortized intangible assets
Gross Carrying Amount	4.4	3.0
Accumulated Amortization	(2.2)	(1.3)
Net Carrying Amount	2.2	1.7
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Accumulated Amortization	(2.2)	(1.3)
Other
Amortized intangible assets
Gross Carrying Amount	121.2	117.1
Accumulated Amortization	(106.1)	(104.1)
Net Carrying Amount	15.1	13.0
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Accumulated Amortization	$ (106.1)	$ (104.1)