Income Taxes (Details) $ in Millions	3 Months Ended
	Mar. 31, 2019 USD ($)
Income Tax Disclosure [Abstract]
Liability for unrecognized tax benefits	$ 5.5
Unrecognized tax benefits, income tax penalties and interest accrued	0.4
Unrecognized tax benefits that would impact the effective tax rate	$ 5.3
Minimum
Income Tax Examination [Line Items]
Income Tax Examination, Year under Examination	2014
Maximum
Income Tax Examination [Line Items]
Income Tax Examination, Year under Examination	2017