Other Intangible Assets (Schedule of Other Intangible Assets) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Accumulated Amortization	$ 54.5	$ 48.3
Indefinite-lived Intangible Assets [Line Items]
Gross Value	141.3	138.9
Net Value	86.8	90.6
Indefinite-lived tradenames
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived tradenames	$ 25.2	24.6
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Useful Life (Years)	9 years 2 months 12 days
Finite-lived intangible assets, Gross Value	$ 87.5	86.6
Accumulated Amortization	44.5	39.6
Net Value	$ 43.0	47.0
Technology
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Useful Life (Years)	14 years 6 months
Finite-lived intangible assets, Gross Value	$ 23.7	22.9
Accumulated Amortization	6.4	5.3
Net Value	$ 17.3	17.6
Other
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Useful Life (Years)	6 years 8 months 12 days
Finite-lived intangible assets, Gross Value	$ 4.9	4.8
Accumulated Amortization	3.6	3.4
Net Value	$ 1.3	$ 1.4