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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		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Commodity contracts [Member] \| Non Designated Derivative Instruments [Member] \| Cost of goods sold [Member]
Classification and amounts of the Company's derivatives not designated as hedging instruments
Realized Gains (Losses)	$ (440)	$ 483	$ 277	$ 460
Unrealized Gains	$ 388	$ (88)	$ (479)	$ (126)

The amount of net gains and losses recognized in income during the period on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges, on derivative instruments designated and qualifying as hedging instruments in cash flow hedges, and on derivative instruments not designated as hedging instruments.

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