Goodwill and Other Intangibles - Intangible Assets (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2016		Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2016	Dec. 31, 2015
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Amortized intangible assets, gross						$ 594.8	$ 624.6
Amortized intangible assets, accumulated amortization		$ 161.5		$ 156.7	$ 156.7	186.1	161.5
Amortized intangible assets, net						408.7	463.1
Other intangible assets, net						463.5	543.8
Amortized intangible assets, future amortization expense [Abstract]
Future Amortization Expense - 2017						36.9
Future Amortization Expense - 2018						35.7
Future Amortization Expense - 2019						35.2
Future Amortization Expense - 2020						34.8
Future Amortization Expense - 2021						34.8
Intangible assets (excluding goodwill), gross [Roll Forward]
Beginning balance, January 1		705.3		307.8
Acquisitions		0.0	[1]	423.8
Impairment	[1]	(23.9)		0.0
Divestitures		(19.9)		0.0
Translation adjustment		(11.9)		(26.3)
Ending balance, December 31		649.6		705.3	307.8
Intangible assets, accumulated amortization [Roll Forward]
Beginning balance, January 1		161.5		156.7
Amortization		40.4		19.2	27.2
Impairment		(8.2)		0.0
Divestitures		(0.3)		0.0
Translation adjustment		(7.3)		(14.4)
Ending balance, December 31		186.1		161.5	$ 156.7
Patented and unpatented technology [Member]
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Amortized intangible assets, gross						108.1	128.7
Amortized intangible assets, accumulated amortization		42.4		42.4		41.5	42.4
Amortized intangible assets, net						66.6	86.3
Intangible assets, accumulated amortization [Roll Forward]
Beginning balance, January 1		42.4
Ending balance, December 31		41.5		42.4
Customer relationships
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Amortized intangible assets, gross						481.4	490.3
Amortized intangible assets, accumulated amortization		116.1		116.1		141.2	116.1
Amortized intangible assets, net						340.2	374.2
Intangible assets, accumulated amortization [Roll Forward]
Beginning balance, January 1		116.1
Ending balance, December 31		141.2		116.1
Miscellaneous amortizable assets
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Amortized intangible assets, gross						5.3	5.6
Amortized intangible assets, accumulated amortization		3.0		3.0		3.4	3.0
Amortized intangible assets, net						1.9	2.6
Intangible assets, accumulated amortization [Roll Forward]
Beginning balance, January 1		3.0
Ending balance, December 31		$ 3.4		$ 3.0
In-process research and development
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Indefinite-lived intangible assets (excluding goodwill)						3.8	14.6
Unamortized trade names
Intangible Assets, Net (Excluding Goodwill) [Abstract]
Unamortized trade names						$ 51.0	$ 66.1
Minimum [Member]
Amortized intangible assets, future amortization expense [Abstract]
Amortized intangible assets, useful life		3 years
Maximum [Member]
Amortized intangible assets, future amortization expense [Abstract]
Amortized intangible assets, useful life		15 years

[1] *Acquisitions relate to the Company's 2015 purchases of Remy and BERU Diesel.** Relates to the impairment of the Company's Etatech ECCOS intellectual technology in 2016.*** Divestiture relates to the Company's sale of Remy light vehicle aftermarket business in 2016.