Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2014

Fair Value Disclosures [Abstract]

Financial assets and liabilities measured at fair value on a recurring basis

The following fair value hierarchy table presents information about the Company's financial assets and liabilities measured at fair value on a recurring basis:

(In thousands)	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Balance as of    December 31,   2014
Assets
Deferred compensation plan	$	13,115	$	—	$	—	$	13,115
Derivative contracts	—		51,645		85,958		137,603
Total assets	$	13,115	$	51,645	$	85,958	$	150,718
Liabilities
Deferred compensation plan	$	28,932	$	—	$	—	$	28,932
Derivative contracts	—		—		—		—
Total liabilities	$	28,932	$	—	$	—	$	28,932

(In thousands)	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Balance as of    December 31,   2013
Assets
Deferred compensation plan	$	12,507	$	—	$	—	$	12,507
Derivative contracts	—		—		13,792		13,792
Total assets	$	12,507	$	—	$	13,792	$	26,299
Liabilities
Deferred compensation plan	$	33,211	$	—	$	—	$	33,211
Derivative contracts	—		6,983		17,702		24,685
Total liabilities	$	33,211	$	6,983	$	17,702	$	57,896

Fair Value of Financial Assets and Liabilities Classified as Level 3

The following table sets forth a reconciliation of changes in the fair value of financial assets and liabilities classified as Level 3 in the fair value hierarchy:

	Year Ended December 31,
(In thousands)	2014			2013			2012
Balance at beginning of period	$	(3,910	)	$	41,159		$	195,127
Total gains (losses) (realized or unrealized):
Included in earnings	35,067			52,733			224,614
Included in other comprehensive income	3,755			(45,069		)	(157,478		)
Settlements	51,046			(52,733		)	(221,489		)
Transfers in and/or out of level 3	—			—			385
Balance at end of period	$	85,958		$	(3,910	)	$	41,159
Change in unrealized gains (losses) relating to assets and liabilities still held at the end of the period	$	85,958		$	—		$	—

Carrying amounts and fair values of long-term debt

The carrying amounts and fair values of debt are as follows:

	December 31, 2014				December 31, 2013
(In thousands)	Carrying Amount		Estimated Fair Value		Carrying Amount		Estimated Fair Value
Debt	$	1,752,000	$	1,850,867	$	1,147,000	$	1,224,273