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Derivatives And Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2014

Credit Risk Derivatives, at Fair Value, Net [Abstract]

Estimated Fair Value Of Derivative Instruments Under Input Levels



	Asset Derivatives				Liability Derivatives
	March 31, 2014		December 31, 2013		March 31, 2014		December 31, 2013

	(in thousands)				(in thousands)
Level 2 derivative instruments	$	85,630	$	107,395	$	8,293	$	3,448
Level 3 derivative instruments	8,629		23,485		1,428		—
Total	$	94,259	$	130,880	$	9,721	$	3,448

Changes In Level 3 Fair Values



	For the Three Months Ended March 31,
	2014			2013

	(In thousands)
Balance at beginning of period	$	23,485		$	(4,931	)
Total gains (losses) for the period:
Unrealized loss on derivatives	(17,883		)	(18		)
Settlements in net derivative gains (losses)	1,599			(4,088		)
Balance at end of period	$	7,201		$	(9,037	)

Total losses included in net derivative losses attributable to the change in unrealized losses related to assets still held at the reporting date	$	(15,576	)	$	(92	)

Held-to-maturity Securities [Table Text Block]



	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Market Value

	(In thousands)
Marketable securities (held-to-maturity)
Time deposits	$	3,508	$	—	$	(9	)	$	3,499
Commercial paper	93,933		15		(5		)	93,943
Marketable securities	$	97,441	$	15	$	(14	)	$	97,442

Price Collars And Swaps For Anticipated Natural Gas And NGL Production



Production Year	Daily Production Volume
Production Year	Natural Gas	NGL	Natural Gas Basis Swaps
	MMcfd	MBbld	MMcfd
Remaining 2014 ⁽¹⁾	170	4	40
2015	150	—	—
2016-2021	40	—	—


⁽¹⁾	Our 2014 NGL derivatives end in September. Our natural gas derivatives and AECO to NYMEX natural gas basis swaps are in place for the whole of 2014.

Estimated Fair Value Of Derivative Instruments



	Asset Derivatives				Liability Derivatives
	March 31, 2014		December 31, 2013		March 31, 2014		December 31, 2013

	(In thousands)				(In thousands)
Derivatives not designated as hedges:
Commodity contracts reported in:
Current derivative assets	$	50,012	$	60,063	$	6,633	$	2,540
Noncurrent derivative assets	90,132		105,315		39,252		31,958
Current derivative liabilities	—		—		9,540		3,125
Noncurrent derivative liabilities	254		—		435		323
Total derivatives not designated as hedges	$	140,398	$	165,378	$	55,860	$	37,946

- Definition

Tabular disclosure of the fair value measurement of assets using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets) and gains or losses recognized in other comprehensive income (loss), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset.

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- Definition

Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities.

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- Definition

Tabular disclosure of all investments in certain debt and equity securities for which the entity has the positive intent and ability to hold until maturity.

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