Goodwill and Intangibles - Intangibles (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Intangible assets subject to amortization
Gross Carrying Amount	$ 341.6	$ 336.1
Accumulated Amortization	(237.0)	(220.5)
Net Carrying Amount	104.6	115.6
Indefinite-lived intangible assets
Indefinite-lived intangible assets	37.2	35.8
Intangible assets
Gross Carrying Amount	378.8	371.9
Net Carrying Amount	$ 141.8	151.4
Estimated useful lives	8 years 4 months 24 days
Aggregate amortization expense for amortized intangible assets	$ 15.2	15.6	$ 19.6
Amortization expense
2021	13.5
2022	12.1
2023	11.9
2024	11.7
2025	10.2
Patents
Intangible assets subject to amortization
Gross Carrying Amount	16.1	16.1
Accumulated Amortization	(16.0)	(15.9)
Net Carrying Amount	$ 0.1	0.2
Intangible assets
Estimated useful lives	6 months
Customer relationships
Intangible assets subject to amortization
Gross Carrying Amount	$ 236.2	232.8
Accumulated Amortization	(165.8)	(156.3)
Net Carrying Amount	$ 70.4	76.5
Intangible assets
Estimated useful lives	8 years 9 months 18 days
Technology
Intangible assets subject to amortization
Gross Carrying Amount	$ 58.0	56.9
Accumulated Amortization	(36.4)	(31.6)
Net Carrying Amount	$ 21.6	25.3
Intangible assets
Estimated useful lives	5 years
Trade name
Intangible assets subject to amortization
Gross Carrying Amount	$ 27.0	26.0
Accumulated Amortization	(15.1)	(13.1)
Net Carrying Amount	$ 11.9	12.9
Intangible assets
Estimated useful lives	11 years 10 months 24 days
Other
Intangible assets subject to amortization
Gross Carrying Amount	$ 4.3	4.3
Accumulated Amortization	(3.7)	(3.6)
Net Carrying Amount	$ 0.6	$ 0.7
Intangible assets
Estimated useful lives	16 years 6 months
Americas
Intangible assets
Impairment of long-lived asset	$ 1.0
Americas | Technology
Intangible assets
Finite-lived intangible asset impairment	$ 0.4