Goodwill and Other Intangible Assets (Schedule of Intangible Assets, Excluding Goodwill) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 650.9		$ 651.8
Accumulated Amortization	(555.0)		(547.5)
Net Book Value	$ 95.9		104.3
Trademarks, patents, licenses and agreements
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (Years)	6 years	6 years
Gross Carrying Amount	$ 68.7		69.6
Accumulated Amortization	(46.0)		(44.3)
Net Book Value	$ 22.7		25.3
Capitalized software
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (Years)	5 years	5 years
Gross Carrying Amount	$ 17.5		17.3
Accumulated Amortization	(12.3)		(11.7)
Net Book Value	$ 5.2		5.6
Acquired Technology
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (Years)	5 years	5 years
Gross Carrying Amount	$ 3.6		3.0
Accumulated Amortization	(0.7)		(0.5)
Net Book Value	$ 2.9		2.5
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Weighted Average Amortization Period (Years)	6 years	6 years
Gross Carrying Amount	$ 561.1		561.9
Accumulated Amortization	(496.0)		(491.0)
Net Book Value	$ 65.1		$ 70.9