Summary of Significant Accounting Policies - Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($) estimate	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Property, plant and equipment — net	$ 289.9	$ 288.9
Number of estimates upon which the product liability reserves are based | estimate	2
Research and development costs	$ 31.1	35.2	$ 37.9
Assets Leased to Others
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Property, plant and equipment — net	$ 51.2	$ 49.4