Goodwill and Other Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Amortized intangible assets:
Accumulated Amortization	$ (2,222.1)	$ (1,897.6)
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Gross Carrying Amount	6,594.9	5,508.7
Accumulated Amortization	(2,222.1)	(1,897.6)
Net Carrying Amount	4,372.8	3,611.1
Tradenames
Unamortized intangible assets:
Carrying amount	1,839.3	1,643.3
Customer lists and relationships
Amortized intangible assets:
Gross Carrying Amount	4,010.1	3,279.3
Accumulated Amortization	(1,830.1)	(1,585.4)
Net Carrying Amount	2,180.0	1,693.9
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Accumulated Amortization	(1,830.1)	(1,585.4)
Technology
Amortized intangible assets:
Gross Carrying Amount	549.1	413.8
Accumulated Amortization	(243.3)	(178.9)
Net Carrying Amount	305.8	234.9
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Accumulated Amortization	(243.3)	(178.9)
Tradenames
Amortized intangible assets:
Gross Carrying Amount	63.6	52.2
Accumulated Amortization	(32.4)	(27.9)
Net Carrying Amount	31.2	24.3
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Accumulated Amortization	(32.4)	(27.9)
Backlog
Amortized intangible assets:
Gross Carrying Amount	4.3	3.0
Accumulated Amortization	(4.2)	(1.3)
Net Carrying Amount	0.1	1.7
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Accumulated Amortization	(4.2)	(1.3)
Other
Amortized intangible assets:
Gross Carrying Amount	128.5	117.1
Accumulated Amortization	(112.1)	(104.1)
Net Carrying Amount	16.4	13.0
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Accumulated Amortization	$ (112.1)	$ (104.1)