Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Intangible assets
Gross Carrying Amount, intangible assets subject to amortization	$ 456.6	$ 403.1
Accumulated Amortization, intangible assets subject to amortization	(223.4)	(184.4)
Net Carrying Amount, intangible assets subject to amortization	233.2	218.7
Amortization expense related to intangible assets subject to amortization	38.3	28.9	$ 29.6
In-process research and development
Intangible assets
Impairment charge on definite-lived intangible assets	1.2	0.6
Technology
Intangible assets
Gross Carrying Amount, intangible assets subject to amortization	300.9	272.6
Accumulated Amortization, intangible assets subject to amortization	(182.4)	(160.5)
Net Carrying Amount, intangible assets subject to amortization	118.5	112.1
Customer relationships
Intangible assets
Gross Carrying Amount, intangible assets subject to amortization	134.7	112.0
Accumulated Amortization, intangible assets subject to amortization	(30.9)	(18.1)
Net Carrying Amount, intangible assets subject to amortization	103.8	93.9
Non compete contracts
Intangible assets
Gross Carrying Amount, intangible assets subject to amortization	1.8	1.8
Accumulated Amortization, intangible assets subject to amortization	(1.8)	(1.8)
Trade names
Intangible assets
Gross Carrying Amount, intangible assets subject to amortization	13.7	11.6
Accumulated Amortization, intangible assets subject to amortization	(2.9)	(1.6)
Net Carrying Amount, intangible assets subject to amortization	10.8	10.0
Other
Intangible assets
Gross Carrying Amount, intangible assets subject to amortization	5.5	5.1
Accumulated Amortization, intangible assets subject to amortization	(5.4)	(2.4)
Net Carrying Amount, intangible assets subject to amortization	$ 0.1	$ 2.7