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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
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The effective portion of gains on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
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The net gain (loss) during the reporting period due to ineffectiveness in interest rate cash flow hedges. Recognized in earnings.

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Derivatives (Pre-tax Gains and Losses) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Commodity \| Cost of Sales and Merchandising Revenues
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) on derivatives instruments recognized in earnings	$ (51,059)	$ (690)	$ (30,451)	$ (15,538)
Not Designated as Hedging Instrument \| Interest rate contracts \| Interest Income (Expense)
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) on derivatives instruments recognized in earnings	521	229	1,662	601
Not Designated as Hedging Instrument \| Foreign currency contract \| Other Income, Net
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) on derivatives instruments recognized in earnings	372	950	(1,163)	1,717
Designated as Hedging Instrument \| Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) on derivatives instruments recognized in OCI	159	0	226	0
Designated as Hedging Instrument \| Interest rate contracts \| Interest Income (Expense)
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) included in interest income (expense)	$ 54	$ 0	$ 126	$ 0