Income Taxes (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended		6 Months Ended
	Oct. 31, 2015	Jul. 01, 2016	Jul. 03, 2015	Jul. 01, 2016	Jul. 03, 2015	Dec. 31, 2015	Dec. 15, 2009
Segment Reporting Information [Line Items]
Effective income tax rate		25.40%	77.50%	32.50%	10.10%
Income tax expense (benefit)		$ 11.4	$ (5.5)	$ 12.2	$ (4.1)
Operating loss		(58.1)	(23.7)	(73.4)	(39.9)
Operating income (loss) with no tax benefit recognized			(24.2)		53.0
Decrease resulting from current period tax positions		0.9
Recognized due to statute of limitation expirations		0.1
Recognized tax benefits could change within the next twelve months		3.0
Proposed cumulative taxable income adjustment	$ 33.6
Uncertain Tax Position Reserve [Member]
Segment Reporting Information [Line Items]
Income tax expense (benefit)					(6.5)
Valuation Allowance Releases [Member]
Segment Reporting Information [Line Items]
Income tax expense (benefit)					(4.3)
VENEZUELA [Member]
Segment Reporting Information [Line Items]
Loss due to currency devaluation with no available tax benefits					22.8
THAILAND [Member] | Deferred Tax Assets [Member]
Segment Reporting Information [Line Items]
Income tax expense (benefit)			$ (11.9)		$ (11.9)
Automotive Ignition Wire business [Member] | North America [Member]
Segment Reporting Information [Line Items]
Income tax expense (benefit)		3.2		3.2
Gain (loss) on divestiture of operations		(53.2)		(53.2)
General Cable S.A.E. (Egypt) [Member] | Africa [Member]
Segment Reporting Information [Line Items]
Gain (loss) on divestiture of operations		(8.4)		(8.4)
Operating loss		6.4		18.6
Subordinated Convertible Notes Due 2029 [Member] | North America [Member]
Segment Reporting Information [Line Items]
Face value		$ 429.5		$ 429.5		$ 429.5	$ 429.5