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FAIR VALUE MEASUREMENTS | 3 Months Ended
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Mar. 31, 2013
FAIR VALUE MEASUREMENTS |
FAIR VALUE MEASUREMENTS | 8. FAIR VALUE MEASUREMENTS The Company follows the authoritative guidance for measuring fair value of assets and liabilities in its financial statements. The authoritative guidance also established a formal fair value hierarchy based on the inputs used to measure fair value. The hierarchy gives the highest priority to Level 1 measurements and the lowest priority to Level 3 measurements. The Company has classified its assets and liabilities into these levels depending upon the data relied on to determine the fair values. For further information regarding the fair value hierarchy, refer to Note 14 of the Notes to the Consolidated Financial Statements in the Form 10-K. Non-Financial Assets and Liabilities The Company discloses or recognizes its non-financial assets and liabilities, such as impairments of long-lived assets, at fair value on a nonrecurring basis. As none of the Company’s non-financial assets and liabilities were impaired as of March 31, 2013 and 2012 and no other assets or liabilities were required to be measured at fair value on a non-recurring basis, additional disclosures are not provided. The estimated fair value of the Company’s asset retirement obligation at inception is determined by utilizing the income approach by applying a credit-adjusted risk-free rate, which takes into account the Company’s credit risk, the time value of money, and the current economic state, to the undiscounted expected abandonment cash flows. Given the unobservable nature of the inputs, the measurement of the asset retirement obligation is deemed to use Level 3 inputs. Financial Assets and Liabilities 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) |  | March 31, 2013 |
Assets |  |  |  |  |  |  |  |  |
Deferred compensation plan |  | $ | 11,372 |  | $ | — |  | $ | — |  | $ | 11,372 |
Derivative instruments |  | — |  | 4,215 |  | — |  | 4,215 |
Total assets |  | $ | 11,372 |  | $ | 4,215 |  | $ | — |  | $ | 15,587 |
Liabilities |  |  |  |  |  |  |  |  |
Deferred compensation plan |  | $ | 29,429 |  | $ | — |  | $ | — |  | $ | 29,429 |
Derivative instruments |  | — |  | — |  | 29,899 |  | 29,899 |
Total liabilities |  | $ | 29,429 |  | $ | — |  | $ | 29,899 |  | $ | 59,328 |
(In thousands) |  | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3) |  | December 31, 2012 |
Assets |  |  |  |  |  |  |  |  |
Deferred compensation plan |  | $ | 10,608 |  | $ | — |  | $ | — |  | $ | 10,608 |
Derivative instruments |  | — |  | 9,473 |  | 41,351 |  | 50,824 |
Total assets |  | $ | 10,608 |  | $ | 9,473 |  | $ | 41,351 |  | $ | 61,432 |
Liabilities |  |  |  |  |  |  |  |  |
Deferred compensation plan |  | $ | 23,893 |  | $ | — |  | $ | — |  | $ | 23,893 |
Derivative instruments |  | — |  | — |  | 192 |  | 192 |
Total liabilities |  | $ | 23,893 |  | $ | — |  | $ | 192 |  | $ | 24,085 |
The Company’s investments associated with its deferred compensation plan consist of mutual funds and deferred shares of the Company’s common stock that are publicly traded and for which market prices are readily available. The derivative instruments were measured based on quotes from the Company’s counterparties. Such quotes have been derived using an income approach that considers various inputs including current market and contractual prices for the underlying instruments, quoted forward prices for natural gas and crude oil, basis differentials, volatility factors and interest rates, such as a LIBOR curve for a similar length of time as the derivative contract term as applicable. These estimates are verified using relevant NYMEX futures contracts or are compared to multiple quotes obtained from counterparties for reasonableness. The determination of the fair values presented above also incorporates a credit adjustment for nonperformance risk. The Company measured the nonperformance risk of its counterparties by reviewing credit default swap spreads for the various financial institutions in which it has derivative transactions, while nonperformance risk of the Company is evaluated using a market credit spread provided by the Company’s bank. The significant unobservable inputs for Level 3 derivative contracts include basis differentials and volatility factors. An increase (decrease) in these unobservable inputs would result in an increase (decrease) in fair value, respectively. The Company does not have access to the specific assumptions used in its counterparties’ valuation models. Consequently, additional disclosures regarding significant Level 3 unobservable inputs were not provided. 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:
|  | Three Months Ended |
|  | March 31, |
(In thousands) |  | 2013 |  | 2012 |
Balance at beginning of period |  | $ | 41,159 |  | $ | 195,127 |
Total gains / (losses) (realized or unrealized): |  |  |  |  |
Included in earnings (1) |  | 13,328 |  | 57,038 |
Included in other comprehensive income |  | (71,058 | ) | 22,692 |
Settlements |  | (13,328 | ) | (56,300 | )
Transfers in and/or out of level 3 |  | — |  | 385 |
Balance at end of period |  | $ | (29,899 | ) | $ | 218,942 |
(1) Unrealized gains of $42,000 for the three months ended March 31, 2012 were included in natural gas revenues in the Condensed Consolidated Statement of Operations. There were no unrealized gains or losses for the three months ended March 31, 2013. Fair Value of Other Financial Instruments The estimated fair value of financial instruments is the amount at which the instrument could be exchanged currently between willing parties. The carrying amounts reported in the Condensed Consolidated Balance Sheet for cash and cash equivalents, accounts receivable and accounts payable approximate fair value due to the short-term maturities of these instruments. The fair value of long-term debt is the estimated amount the Company would have to pay a third party to assume the debt, including a credit spread for the difference between the issue rate and the period end market rate. The credit spread is the Company’s default or repayment risk. The credit spread (premium or discount) is determined by comparing the Company’s fixed-rate notes and credit facility to new issuances (secured and unsecured) and secondary trades of similar size and credit statistics for both public and private debt. The fair value of all fixed-rate notes and the credit facility is based on interest rates currently available to the Company. The Company’s long-term debt is valued using an income approach and classified as Level 3 in the fair value hierarchy due to the unobservable nature of the inputs. The Company uses available market data and valuation methodologies to estimate the fair value of debt. The carrying amounts and fair values of long-term debt are as follows:
|  | March 31, 2013 |  | December 31, 2012 |
(In thousands) |  | Carrying Amount |  | Estimated Fair Value |  | Carrying Amount |  | Estimated Fair Value |
Total debt |  | $ | 1,127,000 |  | $ | 1,249,576 |  | $ | 1,087,000 |  | $ | 1,213,474 |
Current maturities |  | (75,000 | ) | (76,279 | ) | (75,000 | ) | (77,175 | )
Long-term debt, excluding current maturities |  | $ | 1,052,000 |  | $ | 1,173,297 |  | $ | 1,012,000 |  | $ | 1,136,299 |

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- Definition The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13504-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 15C, 15D -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44A, 44B -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 15A -Subparagraph a-d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. 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Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13433-108611 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 159 -Paragraph 17-22, 27, 28 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. 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