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4. DERIVATIVES (Details) (Commodity contracts [Member], Non Designated Derivative Instruments [Member], Cost of goods sold [Member], USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
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Jun. 30, 2013
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Jun. 30, 2012
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Jun. 30, 2013
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Jun. 30, 2012
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Commodity contracts [Member] | Non Designated Derivative Instruments [Member] | Cost of goods sold [Member]
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| Derivative Instruments, Gain (Loss) [Line Items] | ||||
| Realized Gains (Losses) | $ (29) | $ 2,265 | $ (102) | $ 163 |
| Unrealized Gains (Losses) | $ (450) | $ (145) | $ (382) | $ (91) |
| X | ||||||||||
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- Details
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- Definition
Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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