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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 |  |  |  |  | 9 Months Ended | 3 Months Ended | 12 Months Ended |  |  |  |  |  |  |  |  |
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Sep. 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] | Sep. 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] | Sep. 30, 2014 Copper Commodity [Member] Not Designated as Hedging Instrument [Member] lb | Sep. 30, 2014 Copper Commodity [Member] Cash Flow Hedging [Member] lb | Dec. 31, 2013 Copper Commodity [Member] Cash Flow Hedging [Member] Designated as Hedging Instrument [Member] lb | Sep. 30, 2014 Interest Rate Swap [Member] Not Designated as Hedging Instrument [Member] | Sep. 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] | Dec. 31, 2013 Other Assets [Member] Copper Commodity [Member] Cash Flow Hedging [Member] Designated as Hedging Instrument [Member] | Sep. 30, 2014 Other Assets [Member] Interest Rate Swap [Member] Not Designated as Hedging Instrument [Member] | Dec. 31, 2013 Other Assets [Member] Interest Rate Swap [Member] Fair Value Hedging [Member] Designated as Hedging Instrument [Member] | Sep. 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] | Sep. 30, 2014 Other Liabilities [Member] Forward Currency Contracts [Member] Cash Flow Hedging [Member] Designated as Hedging Instrument [Member] | Dec. 31, 2013 Other Liabilities [Member] Forward Currency Contracts [Member] Cash Flow Hedging [Member] Designated as Hedging Instrument [Member] | Sep. 30, 2014 Other Liabilities [Member] Copper Commodity [Member] Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notional amounts | $ 3,532 | [1] | $ 13,335 | [1] | $ 4,500 | [1] | $ 45,000 | [1] |  |  |  |  |  | $ 45,000 | $ 45,000 | $ 45,000 | [1] |  |  |  |  |  |  |  |
Fixed price commodity contracts (in pounds) |  |  |  |  |  |  |  |  | 781,000 | [1] | 781,000 | 1,582,000 | [1] |  |  |  |  |  |  |  |  |  |  |  |
Cash flow hedges , other derivatives |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 152 |  |  |  |  | (138) | (263) |
Fair value hedge, other derivatives |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 793 |  |  |  |  |
Fair value of other derivatives |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 325 |  | $ (3) | $ (18) |  |  | $ (93)
[1] | Notional amounts represent the gross contract / notional amount of the derivatives outstanding. The fixed price commodity contract notional amounts are in pounds.

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition Quantity of fixed price commodity contracts. + References No definition available. + Details
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- Definition Net fair value of all derivative instruments designated as cash flow hedging instruments, which is ordinarily reflected within other comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 + Details
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- Definition Fair value of all derivatives designated as interest rate fair value hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 + Details
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- Definition Net fair value of all derivative instruments not designated as a hedging instrument. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13433-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13495-108611 + Details
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