Goodwill and Other Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Amortized intangible assets
Accumulated Amortization	$ (1,299.9)	$ (1,227.1)
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Gross Carrying Amount	5,116.2	5,139.8
Accumulated Amortization	(1,299.9)	(1,227.1)
Net Carrying Amount	3,816.3	3,912.7
Tradenames
Unamortized intangible assets
Carrying amount	1,559.4	1,565.4
Customer lists and relationships
Amortized intangible assets
Gross Carrying Amount	3,045.2	3,055.0
Accumulated Amortization	(1,109.4)	(1,048.3)
Net Carrying Amount	1,935.8	2,006.7
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Accumulated Amortization	(1,109.4)	(1,048.3)
Technology
Amortized intangible assets
Gross Carrying Amount	354.2	356.4
Accumulated Amortization	(86.9)	(77.8)
Net Carrying Amount	267.3	278.6
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Accumulated Amortization	(86.9)	(77.8)
Tradenames
Amortized intangible assets
Gross Carrying Amount	47.3	47.8
Accumulated Amortization	(19.9)	(19.0)
Net Carrying Amount	27.4	28.8
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Accumulated Amortization	(19.9)	(19.0)
Backlog
Amortized intangible assets
Gross Carrying Amount	3.0	8.1
Accumulated Amortization	(3.0)	(5.1)
Net Carrying Amount	0.0	3.0
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Accumulated Amortization	(3.0)	(5.1)
Other
Amortized intangible assets
Gross Carrying Amount	107.1	107.1
Accumulated Amortization	(80.7)	(76.9)
Net Carrying Amount	26.4	30.2
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Accumulated Amortization	$ (80.7)	$ (76.9)