Other Expense, Net (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2019	Mar. 31, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Restructuring expense	$ 14.0		$ 5.0	$ 41.0	$ 44.0
Merger, acquisition and divestiture expense	4.0		2.0	10.0	5.0
Other operating expense		$ 14.0		12.0
Other operating income					(7.0)
Other expense, net	$ 18.0		$ 7.0	$ 63.0	42.0
Remy International Inc. [Member]
Other operating income					$ (4.0)