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DERIVATIVES AND RISK MANAGEMENT ACTIVITIES Table 3 (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Fair Value Hedges | Commodity contracts | Cost of product sales
Derivative Instruments, Gain (Loss)
Amount of gain (loss) recognized in income on derivative	$ 1,213	$ (1,276)
Amount of gain (loss) recognized in income on hedged item	(2,097)	1,636
Amount of gain (loss) recognized in income on derivative (ineffective portion)	(884)	360
Cash Flow Hedges | Interest rate swaps | Interest expense, net
Derivative Instruments, Gain (Loss)
Amount of gain (loss) recognized in income on derivative (ineffective portion)	0	0
Amount of gain (loss) reclassified from accumulated OCI into income (effective portion)	(2,766)	(487)
Cash Flow Hedges | Interest rate swaps | Other comprehensive income
Derivative Instruments, Gain (Loss)
Amount of gain (loss) recognized in OCI on derivative (effective portion)	0	4,687
Nondesignated Derivatives
Derivative Instruments, Gain (Loss)
Amount of gain (loss) recognized in income on derivative		(7,046)
Nondesignated Derivatives | Commodity contracts | Cost of product sales
Derivative Instruments, Gain (Loss)
Amount of gain (loss) recognized in income on derivative	32	(6,827)
Nondesignated Derivatives | Commodity contracts | Income (loss) from discontinued operations
Derivative Instruments, Gain (Loss)
Amount of gain (loss) recognized in income on derivative		(218)
Nondesignated Derivatives | Commodity contracts | Operating expenses
Derivative Instruments, Gain (Loss)
Amount of gain (loss) recognized in income on derivative		$ (1)

X

- Definition

Amount of the increase (decrease) in fair value of the hedged item in a fair value hedge recognized in the income statement.

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Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

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The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

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The portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments representing (a) the amount of the hedge ineffectiveness and (b) the amount, if any, excluded from the assessment of hedge effectiveness.

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The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

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