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Foreign Currency Derivatives (Tables)
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3 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Mar. 31, 2015
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| Derivative Instruments and Hedging Activities Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block] | The notional amount of forward exchange contracts to hedge balance sheet accounts were (in thousands):
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