Unconsolidated Affiliated Companies (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended			6 Months Ended
	Jun. 28, 2013	Jun. 29, 2012		Jun. 28, 2013	Jun. 29, 2012		Dec. 31, 2012
Schedule of Equity Method Investments [Line Items]
Equity in net income (loss) of subsidiaries	$ 0.4	$ 0.5	[1]	$ 0.6	$ 0.5	[1]
Unconsolidated affiliated companies	$ 18.7			$ 18.7			$ 18.9	[1]
PDTL Trading Company Ltd. [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage in affiliated companies, less than	49.00%			49.00%
Colada Continua Chilean, S.A. [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage in affiliated companies, less than	41.00%			41.00%
Minuet Realty Corp. [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage in affiliated companies, less than	40.00%			40.00%
Nostag GmbH & Co. KG [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage in affiliated companies, less than	33.00%			33.00%
Pakistan Cables Limited [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage in affiliated companies, less than	24.60%			24.60%
Keystone Electric Wire & Cable Co., Ltd. [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage in affiliated companies, less than	20.00%			20.00%
Thai Copper Rod Company Ltd. [Member]
Schedule of Equity Method Investments [Line Items]
Ownership percentage in affiliated companies, less than	18.00%			18.00%
Maximum [Member]
Schedule of Equity Method Investments [Line Items]
Ownership threshold, investment as equity method	50.00%			50.00%

[1] See Note 23 - Restatement of Condensed Consolidated Financial Statements