Restructuring (Narrative) (Details)	3 Months Ended				9 Months Ended
	Sep. 30, 2016 USD ($) employees	Jul. 01, 2016 USD ($)	Oct. 02, 2015 USD ($)	Jul. 03, 2015 USD ($)	Sep. 30, 2016 USD ($) employees	Oct. 02, 2015 USD ($)
Restructuring Cost and Reserve [Line Items]
Goodwill impairment loss					$ 9,000,000
Intangible asset impairment charges	$ 4,700,000		$ 0		7,500,000	$ 1,700,000
Prestolite Wire, LLC [Member]
Restructuring Cost and Reserve [Line Items]
Goodwill impairment loss					0
Intangible asset impairment charges					0
Latin America [Member]
Restructuring Cost and Reserve [Line Items]
Goodwill impairment loss					0
North America [Member]
Restructuring Cost and Reserve [Line Items]
Goodwill impairment loss					7,400,000
North America [Member] | Prestolite Wire, LLC [Member]
Restructuring Cost and Reserve [Line Items]
Goodwill impairment loss	7,400,000				7,400,000
Intangible asset impairment charges	4,700,000
Africa/Asia Pacific [Member]
Restructuring Cost and Reserve [Line Items]
Goodwill impairment loss					1,600,000
November 2015 Restructuring Program [Member]
Restructuring Cost and Reserve [Line Items]
Expected restructuring charge	60,000,000				60,000,000
Restructuring charges (benefit)	23,400,000				39,800,000
November 2015 Restructuring Program [Member] | Employee Separation Costs [Member]
Restructuring Cost and Reserve [Line Items]
Expected restructuring charge	8,000,000				8,000,000
Restructuring charges (benefit)	$ 3,300,000				$ 5,700,000
Number of employees | employees	310				310
Number of manufacturing employees | employees	220				220
Number of non-manufacturing employees | employees	90				90
November 2015 Restructuring Program [Member] | Asset-Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Expected restructuring charge	$ 17,000,000				$ 17,000,000
Restructuring charges (benefit)	12,900,000				14,300,000
November 2015 Restructuring Program [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Expected restructuring charge	35,000,000				35,000,000
Restructuring charges (benefit)	7,200,000				19,800,000
November 2015 Restructuring Program [Member] | Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)	2,400,000				8,700,000
November 2015 Restructuring Program [Member] | Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)	21,000,000				31,100,000
November 2015 Restructuring Program [Member] | Europe [Member]
Restructuring Cost and Reserve [Line Items]
Expected restructuring charge	11,000,000				11,000,000
Restructuring charges (benefit)	100,000				3,700,000
Total aggregate costs to date	10,400,000				10,400,000
November 2015 Restructuring Program [Member] | Europe [Member] | Employee Separation Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)	100,000				1,500,000
November 2015 Restructuring Program [Member] | Europe [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)					2,200,000
November 2015 Restructuring Program [Member] | Latin America [Member]
Restructuring Cost and Reserve [Line Items]
Expected restructuring charge	3,000,000				3,000,000
Restructuring charges (benefit)	300,000				800,000
Total aggregate costs to date	2,600,000				2,600,000
November 2015 Restructuring Program [Member] | Latin America [Member] | Employee Separation Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)	100,000				100,000
November 2015 Restructuring Program [Member] | Latin America [Member] | Asset-Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)					400,000
November 2015 Restructuring Program [Member] | Latin America [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)	200,000				300,000
November 2015 Restructuring Program [Member] | North America [Member]
Restructuring Cost and Reserve [Line Items]
Expected restructuring charge	46,000,000				46,000,000
Restructuring charges (benefit)	23,000,000				35,300,000
Total aggregate costs to date	35,400,000				35,400,000
Proceeds from divestiture of businesses		$ 70,700,000
Gain (loss) on disposition of business					53,200,000
November 2015 Restructuring Program [Member] | North America [Member] | Employee Separation Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)	3,100,000				4,100,000
November 2015 Restructuring Program [Member] | North America [Member] | Asset-Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)	12,900,000				13,900,000
November 2015 Restructuring Program [Member] | North America [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)	7,000,000				17,300,000
July 2014 Restructuring Program [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)	800,000		3,600,000		10,600,000	38,300,000
July 2014 Restructuring Program [Member] | Employee Separation Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)	$ (100,000)		100,000		$ 1,300,000	12,300,000
Number of employees | employees	1,430				1,430
Number of manufacturing employees | employees	1,110				1,110
Number of non-manufacturing employees | employees	320				320
July 2014 Restructuring Program [Member] | Asset-Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)	$ 100,000		800,000		$ 1,800,000	14,800,000
July 2014 Restructuring Program [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)	800,000		2,700,000		7,500,000	11,200,000
July 2014 Restructuring Program [Member] | Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)	500,000		2,700,000		7,500,000	13,700,000
July 2014 Restructuring Program [Member] | Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)	300,000		900,000		3,100,000	24,600,000
July 2014 Restructuring Program [Member] | Europe [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)	200,000				2,000,000	21,500,000
Total aggregate costs to date	139,700,000				139,700,000
Proceeds from divestiture of businesses				$ 1,800,000
Gain (loss) on disposition of business				$ (11,600,000)
July 2014 Restructuring Program [Member] | Europe [Member] | Employee Separation Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)			(1,900,000)			2,900,000
July 2014 Restructuring Program [Member] | Europe [Member] | Asset-Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)						10,800,000
July 2014 Restructuring Program [Member] | Europe [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)	200,000		1,900,000		2,000,000	7,800,000
July 2014 Restructuring Program [Member] | Latin America [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)	500,000		900,000		2,400,000	6,900,000
Total aggregate costs to date	39,000,000				39,000,000
July 2014 Restructuring Program [Member] | Latin America [Member] | Employee Separation Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)			100,000		100,000	1,000,000
July 2014 Restructuring Program [Member] | Latin America [Member] | Asset-Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)	300,000		800,000		1,000,000	4,000,000
July 2014 Restructuring Program [Member] | Latin America [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)	200,000				1,300,000	1,900,000
July 2014 Restructuring Program [Member] | North America [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)	100,000		2,300,000		6,200,000	9,900,000
Total aggregate costs to date	24,900,000				24,900,000
July 2014 Restructuring Program [Member] | North America [Member] | Employee Separation Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)	(100,000)		1,500,000		1,200,000	7,900,000
July 2014 Restructuring Program [Member] | North America [Member] | Asset-Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)	(200,000)				800,000
July 2014 Restructuring Program [Member] | North America [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)	400,000		800,000		4,200,000	2,000,000
July 2014 Restructuring Program [Member] | Africa/Asia Pacific [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)			400,000
Total aggregate costs to date	$ 15,000,000				$ 15,000,000
July 2014 Restructuring Program [Member] | Africa/Asia Pacific [Member] | Employee Separation Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)			$ 400,000			500,000
July 2014 Restructuring Program [Member] | Africa/Asia Pacific [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)						$ (500,000)