Losses and Other Expenses, net (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Losses (Gains) and Other Expenses, net [Abstract]
Realized losses on settled futures contracts	$ 1.1	$ 1.9	$ 0.8
Foreign currency exchange losses	2.2	3.6	1.6
Losses (gains) on disposal of fixed assets	0.5	0.6	(0.3)
Net change in unrealized losses (gains) on unsettled futures contracts	(3.6)	0.6	0.6
Asbestos-related litigation	6.3	3.0	0.9
Acquisition expenses	0.4	1.0	0.0
Special legal contingency charges	1.9	7.4	0.9
Environmental liabilities	1.9	1.0	2.0
Contractor tax payments	0.6	2.6	0.0
Other items, net	0.0	0.0	0.3
Losses and other expenses, net	$ 11.3	$ 21.7	$ 6.8