Goodwill and Other Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Amortized intangible assets:
Accumulated Amortization	$ (1,897.6)	$ (1,526.8)
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Gross Carrying Amount	5,508.7	5,105.4
Accumulated Amortization	(1,897.6)	(1,526.8)
Net Carrying Amount	3,611.1	3,578.6
Tradenames
Unamortized intangible assets:
Carrying amount	1,643.3	1,555.5
Customer lists and relationships
Amortized intangible assets:
Gross Carrying Amount	3,279.3	3,029.0
Accumulated Amortization	(1,585.4)	(1,286.1)
Net Carrying Amount	1,693.9	1,742.9
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Accumulated Amortization	(1,585.4)	(1,286.1)
Technology
Amortized intangible assets:
Gross Carrying Amount	413.8	360.0
Accumulated Amortization	(178.9)	(124.5)
Net Carrying Amount	234.9	235.5
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Accumulated Amortization	(178.9)	(124.5)
Tradenames
Amortized intangible assets:
Gross Carrying Amount	52.2	46.2
Accumulated Amortization	(27.9)	(22.7)
Net Carrying Amount	24.3	23.5
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Accumulated Amortization	(27.9)	(22.7)
Backlog
Amortized intangible assets:
Gross Carrying Amount	3.0	1.0
Accumulated Amortization	(1.3)	(0.3)
Net Carrying Amount	1.7	0.7
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Accumulated Amortization	(1.3)	(0.3)
Other
Amortized intangible assets:
Gross Carrying Amount	117.1	113.7
Accumulated Amortization	(104.1)	(93.2)
Net Carrying Amount	13.0	20.5
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Accumulated Amortization	$ (104.1)	$ (93.2)