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Financial Instruments and Derivative Financial Instruments Concentration of Credit Risks (Details) | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Concentration of Credit Risks [Abstract] |  |  |
Percentage of sales to foreign countries | 59.00% | 56.00% | 58.00%
Maximum percentage of consolidated sales attributable to one customer | 10.00% |  |
Percentage of sales from top ten customers | 37.00% | 38.00% | 36.00%

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- Details
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- Definition Percentage of sales from foreign countries + References No definition available. + Details
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- Definition Percentage of sales from top ten customers + References No definition available. + Details
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