Goodwill (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2023	Dec. 31, 2022
Goodwill [Roll Forward]
Accumulated Impairment	$ (2,496.0)	$ (2,496.0)
Goodwill, Purchase Accounting Adjustments	(2.1)
Currency translation	(31.3)
Goodwill	5,719.1	5,503.7
Goodwill, Acquired During Period	248.8
Americas [Member]
Goodwill [Roll Forward]
Goodwill, Purchase Accounting Adjustments	4.9
Currency translation	1.8
Goodwill	4,369.4	4,226.8
Goodwill, Acquired During Period	135.9
EMEA [Member]
Goodwill [Roll Forward]
Goodwill, Purchase Accounting Adjustments	(6.9)
Currency translation	(9.1)
Goodwill	811.8	714.9
Goodwill, Acquired During Period	112.9
Asia Pacific [Member]
Goodwill [Roll Forward]
Goodwill, Purchase Accounting Adjustments	(0.1)
Currency translation	(24.0)
Goodwill	537.9	$ 562.0
Goodwill, Acquired During Period	$ 0.0