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Financial Instruments and Fair Value Measurements (Narrative) (Details) (USD $)
 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 6 Months Ended 12 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Euro-Denominated Foreign Currency Forward Contracts [Member]
Jun. 30, 2013
Euro-Denominated Foreign Currency Forward Contracts [Member]
Jun. 30, 2014
Euro-Denominated Foreign Currency Forward Contracts [Member]
Jun. 30, 2013
Euro-Denominated Foreign Currency Forward Contracts [Member]
Jun. 30, 2014
Mexican Peso-Denominated Foreign Currency Forward Contracts [Member]
Jun. 30, 2013
Copper Commodity [Member]
lb
Jun. 30, 2014
Interest Rate Swap [Member]
Jun. 30, 2013
Interest Rate Swap [Member]
Jun. 30, 2014
Interest Rate Swap [Member]
Jun. 30, 2013
Interest Rate Swap [Member]
Jun. 30, 2014
Senior Notes [Member]
Dec. 31, 2013
Senior Notes [Member]
Jun. 30, 2014
Designated as Hedging Instrument [Member]
Cash Flow Hedging [Member]
Forward Currency Contracts [Member]
Dec. 31, 2013
Designated as Hedging Instrument [Member]
Cash Flow Hedging [Member]
Forward Currency Contracts [Member]
Dec. 31, 2013
Designated as Hedging Instrument [Member]
Cash Flow Hedging [Member]
Mexican Peso-Denominated Foreign Currency Forward Contracts [Member]
Jun. 30, 2014
Designated as Hedging Instrument [Member]
Cash Flow Hedging [Member]
Copper Commodity [Member]
lb
Dec. 31, 2013
Designated as Hedging Instrument [Member]
Cash Flow Hedging [Member]
Copper Commodity [Member]
lb
Jun. 30, 2014
Designated as Hedging Instrument [Member]
Fair Value Hedging [Member]
Interest Rate Swap [Member]
Dec. 31, 2013
Designated as Hedging Instrument [Member]
Fair Value Hedging [Member]
Interest Rate Swap [Member]
Jun. 30, 2014
Not Designated as Hedging Instrument [Member]
Forward Currency Contracts [Member]
Dec. 31, 2013
Not Designated as Hedging Instrument [Member]
Forward Currency Contracts [Member]
Jun. 30, 2014
Not Designated as Hedging Instrument [Member]
Euro-Denominated Foreign Currency Forward Contracts [Member]
Dec. 31, 2013
Not Designated as Hedging Instrument [Member]
Euro-Denominated Foreign Currency Forward Contracts [Member]
Jun. 30, 2014
Not Designated as Hedging Instrument [Member]
Copper Commodity [Member]
lb
Jun. 30, 2014
London Interbank Offered Rate (LIBOR) [Member]
Interest Rate Swap [Member]
Jun. 30, 2014
People's Bank of China One-Year Lending Rate [Member]
Jun. 30, 2014
Wiring [Member]
Cash Flow Hedging [Member]
Scenario, Forecast [Member]
security
Jun. 30, 2014
Wiring [Member]
Cash Flow Hedging [Member]
Mexican Peso-Denominated Foreign Currency Forward Contracts [Member]
security
Jun. 30, 2014
Wiring [Member]
Cash Flow Hedging [Member]
Mexican Peso-Denominated Foreign Currency Forward Contracts [Member]
Scenario, Forecast [Member]
security
Jun. 30, 2014
Wiring [Member]
Not Designated as Hedging Instrument [Member]
Mexican Peso-Denominated Foreign Currency Forward Contracts [Member]
Jun. 30, 2014
Wiring [Member]
Not Designated as Hedging Instrument [Member]
Mexican Peso-Denominated Foreign Currency Forward Contracts [Member]
Jun. 30, 2014
Wiring [Member]
Not Designated as Hedging Instrument [Member]
Copper Commodity [Member]
security
Jun. 30, 2014
Wiring [Member]
Not Designated as Hedging Instrument [Member]
Copper Commodity [Member]
security
Jun. 30, 2014
PST [Member]
Jun. 30, 2014
PST [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]                                                                              
Face value of senior secured notes                             $ 175,000,000 $ 175,000,000                                              
Estimated fair value of senior secured notes                             186,603,000 190,100,000                                              
Notional amounts                 22,500,000               11,250,000 [1] 45,000,000 [1] 45,000,000     45,000,000 [1] 45,000,000 [1] 24,529,000 [1] 13,335,000 [1] 13,279,000 13,335,000                        
Gain (loss) on derivative instruments held for trading purposes, net         86,000 (278,000) 25,000 85,000                                                              
Number of hedge contracts expected to be fulfilled                                                                 2            
Number of hedge contracts                                                             3 5       2 2    
Gain on derivatives not designated as hedging instruments                                                                   320,000 320,000 77,000 77,000    
Fixed price commodity contracts (in pounds)                   1,237,000                   152,000 [1] 1,582,000 [1]             1,085,000 [1]                      
Discription of variable rate basis of derivative                         the Company pays a variable interest rate equal to the six-month London Interbank Offered Rate ("LIBOR") plus 7.2%                                                    
Variable interest rate in addition to LIBOR                                                         7.20%                    
Fixed interest rate                             9.50%                                                
Reduced interest expense as a result of swap                     (206,000) (191,000) (431,000) (422,000)                                                  
Debt interest rate                     9.50%   9.50%                                 7.39%                  
Amount from cash flow hedge derivatives to be reclassified 19,000   19,000                                                                        
Goodwill impairment $ 29,300,000    $ 29,300,000                                                                      $ 29,300,000 $ 29,300,000
[1] Notional amounts represent the gross contract / notional amount of the derivatives outstanding. The fixed price commodity contract notional amounts are in pounds.