Restructuring and Other Charges (Details) $ in Millions	3 Months Ended
	Mar. 31, 2020 USD ($) site	Mar. 31, 2019 USD ($)
Restructuring charges
Severance-related and exit costs	$ 2.4	$ 0.1
Other charges
Environmental remediation	0.1	0.1
Other	0.3	0.0
Total other charges	4.8	0.1
Exit costs	$ 1.0
Number of environmental remediation sites | site	1
Legal fees	$ 0.3
Facility Closing
Restructuring charges
Severance-related and exit costs	$ 4.4	$ 0.0