Derivative Instruments and Hedging Activities (Derivatives Not Designated as Hedging Instruments) (Details) (Derivatives not designated as hedging instruments, USD $)
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3 Months Ended | 9 Months Ended | ||||||||
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Sep. 30, 2014
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Sep. 30, 2013
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Sep. 30, 2014
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Sep. 30, 2013
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Derivative [Line Items] | ||||||||||
Total non-designated derivative realized (gain) loss, net | $ (693,000) | $ 0 | $ (421,000) | $ 0 | ||||||
Commodity options
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Derivative [Line Items] | ||||||||||
Notional amount | 12,600,000 | 12,600,000 | ||||||||
Total non-designated derivative realized (gain) loss, net | (153,000) | 0 | 119,000 | 0 | ||||||
Foreign exchange forward
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Derivative [Line Items] | ||||||||||
Notional amount | 11,200,000 | 11,200,000 | ||||||||
Total non-designated derivative realized (gain) loss, net | (237,000) | 0 | (237,000) | 0 | ||||||
Foreign exchange forward
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Derivative [Line Items] | ||||||||||
Notional amount | 94,000,000 | 94,000,000 | ||||||||
Total non-designated derivative realized (gain) loss, net | $ (303,000) | [1] | $ 0 | [1] | $ (303,000) | [1] | $ 0 | [1] | ||
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