Goodwill and Intangibles - Intangibles (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Intangible assets subject to amortization
Gross Carrying Amount		$ 336.1	$ 334.0
Accumulated Amortization		(220.5)	(205.0)
Net Carrying Amount		115.6	129.0
Indefinite-lived intangible assets
Indefinite-lived intangible assets		35.8	36.2
Intangible assets
Gross Carrying Amount		371.9	370.2
Net Carrying Amount		$ 151.4	165.2
Estimated useful lives		11 years
Aggregate amortization expense for amortized intangible assets		$ 15.6	19.6	$ 22.5
Amortization expense
2020		14.3
2021		13.2
2022		11.9
2023		11.5
2024		11.3
Patents
Intangible assets subject to amortization
Gross Carrying Amount		16.1	16.1
Accumulated Amortization		(15.9)	(15.8)
Net Carrying Amount		$ 0.2	0.3
Intangible assets
Estimated useful lives		1 year 10 months 24 days
Customer relationships
Intangible assets subject to amortization
Gross Carrying Amount		$ 232.8	232.9
Accumulated Amortization		(156.3)	(146.9)
Net Carrying Amount		$ 76.5	86.0
Intangible assets
Estimated useful lives		10 years 3 months 18 days
Technology
Intangible assets subject to amortization
Gross Carrying Amount		$ 56.9	54.6
Accumulated Amortization		(31.6)	(27.3)
Net Carrying Amount		$ 25.3	27.3
Intangible assets
Estimated useful lives		6 years 7 months 6 days
Trade name
Intangible assets subject to amortization
Gross Carrying Amount		$ 26.0	26.1
Accumulated Amortization		(13.1)	(11.5)
Net Carrying Amount		$ 12.9	14.6
Intangible assets
Estimated useful lives		13 years 3 months 18 days
Other
Intangible assets subject to amortization
Gross Carrying Amount		$ 4.3	4.3
Accumulated Amortization		(3.6)	(3.5)
Net Carrying Amount		$ 0.7	$ 0.8
Intangible assets
Estimated useful lives		17 years 6 months
Americas | Technology
Intangible assets
Finite-lived intangible asset impairment	$ 1.0