Losses and Other Expenses, net (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Losses (Gains) and Other Expenses, net [Abstract]
Realized losses (gains) on settled futures contracts	$ 0.4	$ (0.4)	$ (1.7)
Foreign currency exchange (gains) losses	(1.5)	1.7	(1.8)
(Gains) losses on disposal of fixed assets	(0.2)	0.7	0.2
Other Operating Income	(1.7)
Net change in unrealized (gains) losses on unsettled futures contracts	(0.5)	1.5	0.9
Asbestos-related litigation	3.1	4.0	3.5
Special legal contingency charges	1.2	1.9	3.7
Environmental liabilities	5.7	2.2	2.2
Contractor tax payments	0.0	0.0	0.1
Other Expenses	1.8	1.8	0.0
Losses (gains) and other expenses, net	$ 8.3	$ 13.4	$ 7.1