Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	$ 343.9	$ 318.4
Accumulated amortization	110.0	104.5
Non-amortizing intangible assets	15.6	15.6
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	187.8	165.5
Accumulated amortization	48.7	45.2
Patents and acquired technology
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	100.8	99.8
Accumulated amortization	39.8	38.2
Tradenames
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	25.0	23.1
Accumulated amortization	10.3	10.3
Other
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	14.7	14.4
Accumulated amortization	$ 11.2	$ 10.8