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Financial Instruments and Fair Value Measurements (Schedule of Derivative Instruments in Statement of Financial Position, Fair Value) (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2014
Forward Currency Contracts [Member]
Not Designated as Hedging Instrument [Member]
Dec. 31, 2013
Forward Currency Contracts [Member]
Not Designated as Hedging Instrument [Member]
Jun. 30, 2014
Forward Currency Contracts [Member]
Cash Flow Hedging [Member]
Designated as Hedging Instrument [Member]
Dec. 31, 2013
Forward Currency Contracts [Member]
Cash Flow Hedging [Member]
Designated as Hedging Instrument [Member]
Jun. 30, 2013
Copper Commodity [Member]
lb
Jun. 30, 2014
Copper Commodity [Member]
Not Designated as Hedging Instrument [Member]
lb
Jun. 30, 2014
Copper Commodity [Member]
Cash Flow Hedging [Member]
Designated as Hedging Instrument [Member]
lb
Dec. 31, 2013
Copper Commodity [Member]
Cash Flow Hedging [Member]
Designated as Hedging Instrument [Member]
lb
Jun. 30, 2014
Interest Rate Swap [Member]
Fair Value Hedging [Member]
Designated as Hedging Instrument [Member]
Dec. 31, 2013
Interest Rate Swap [Member]
Fair Value Hedging [Member]
Designated as Hedging Instrument [Member]
Jun. 30, 2014
Other Assets [Member]
Forward Currency Contracts [Member]
Not Designated as Hedging Instrument [Member]
Jun. 30, 2014
Other Assets [Member]
Forward Currency Contracts [Member]
Cash Flow Hedging [Member]
Designated as Hedging Instrument [Member]
Jun. 30, 2014
Other Assets [Member]
Commodity Contract [Member]
Not Designated as Hedging Instrument [Member]
Dec. 31, 2013
Other Assets [Member]
Copper Commodity [Member]
Cash Flow Hedging [Member]
Designated as Hedging Instrument [Member]
Jun. 30, 2014
Other Assets [Member]
Interest Rate Swap [Member]
Fair Value Hedging [Member]
Designated as Hedging Instrument [Member]
Dec. 31, 2013
Other Assets [Member]
Interest Rate Swap [Member]
Fair Value Hedging [Member]
Designated as Hedging Instrument [Member]
Jun. 30, 2014
Other Liabilities [Member]
Forward Currency Contracts [Member]
Not Designated as Hedging Instrument [Member]
Dec. 31, 2013
Other Liabilities [Member]
Forward Currency Contracts [Member]
Not Designated as Hedging Instrument [Member]
Dec. 31, 2013
Other Liabilities [Member]
Forward Currency Contracts [Member]
Cash Flow Hedging [Member]
Designated as Hedging Instrument [Member]
Jun. 30, 2014
Other Liabilities [Member]
Copper Commodity [Member]
Cash Flow Hedging [Member]
Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]                                        
Notional amounts $ 24,529 [1] $ 13,335 [1] $ 11,250 [1] $ 45,000 [1]         $ 45,000 [1] $ 45,000 [1]                    
Fixed price commodity contracts (in pounds)         1,237,000 1,085,000 [1] 152,000 [1] 1,582,000 [1]                        
Cash flow hedges , other derivatives                       29   152         (263) (10)
Fair value hedge, other derivatives                             899 793        
Fair value of other derivatives                     $ 320   $ 42       $ (19) $ (18)    
[1] Notional amounts represent the gross contract / notional amount of the derivatives outstanding. The fixed price commodity contract notional amounts are in pounds.