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Financial Derivatives and Hedging Activities (Details Textual) | 12 Months Ended
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Dec. 31, 2012
Not designated as hedging [Member] |
Financial Derivatives and Hedging Activities (Textual) [Abstract] |
Maturities of foreign currency derivative contracts not designated as hedging instruments | 1 month
Designated as hedging [Member] |
Financial Derivatives and Hedging Activities (Textual) [Abstract] |
Maximum maturity period of foreign currency derivative contracts designated as hedging instruments | 12 months
Fair value Measurements [Member] |
Financial Derivatives and Hedging Activities (Textual) [Abstract] |
Accumulated other comprehensive income realization period | 12 months

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- Definition Accumulated other comprehensive income realization period. + References No definition available. + Details
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- Details
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- Definition Maturities of foreign currency derivative contracts. + References No definition available. + Details
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- Definition Maximum maturity period of foreign currency derivative contracts. + References No definition available. + Details
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