Goodwill And Other Intangible Assets (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Sep. 30, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment charges		$ 0.0	$ 9.0	$ 3.9
Amortization of intangible assets		4.8	8.6	11.6
Goodwill		11.0	12.0	22.2
Intangible assets, net		23.3	28.3
Estimated amortization expense - 2018		2.3
Estimated amortization expense - 2019		2.2
Estimated amortization expense - 2020		2.2
Estimated amortization expense - 2021		2.2
Estimated amortization expense - 2022		2.2
Estimated amortization expense, thereafter		2.9
Capitalized software		$ 8.6	8.8
Computer Software, Intangible Asset
Finite-Lived Intangible Assets [Line Items]
Finite lived intangible assets useful life		3 years
Minimum | Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Finite lived intangible assets useful life		7 years
Maximum | Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Finite lived intangible assets useful life		12 years
Automotive Ignition Wire business
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment charges	$ 7.4
Amortization of intangible assets	$ 4.7
Goodwill		$ 0.0
Intangible assets, net		$ 0.0
Trade Names
Finite-Lived Intangible Assets [Line Items]
Weighted average useful life of the amortized intangible assets		10 years
North America
Finite-Lived Intangible Assets [Line Items]
Accumulated goodwill impairment charge		$ (7.4)	(7.4)
Goodwill		7.1	8.1	16.5
North America | Trade Names
Finite-Lived Intangible Assets [Line Items]
Accumulated indefinite-lived asset		2.1
Latin America
Finite-Lived Intangible Assets [Line Items]
Accumulated goodwill impairment charge		(82.6)	(82.6)
Goodwill		3.9	3.9	3.9
Latin America | Trade Names
Finite-Lived Intangible Assets [Line Items]
Accumulated indefinite-lived asset		68.9
Africa/Asia Pacific
Finite-Lived Intangible Assets [Line Items]
Accumulated goodwill impairment charge		(77.4)
Goodwill		0.0	$ 0.0	$ 1.8
Africa/Asia Pacific | Trade Names
Finite-Lived Intangible Assets [Line Items]
Accumulated indefinite-lived asset		$ 24.2