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v3.25.3

Fair Value Measurements - Carrying Amounts and Fair Values of Financial Instruments (Detail) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Reported Value Measurement |  |  |
Assets: |  |  |
Commodity derivatives | [1] | $ 62,152 | $ 87,098
Marketable securities | [2] | 63,651 | 60,989
(Liabilities): |  |  |
Commodity derivatives | [1] | (4,513) | (20,122)
Bank credit facility | [3] | (129,000) | 0
Deferred compensation plan | [4] | (73,188) | (86,882)
Estimate of Fair Value Measurement |  |  |
Assets: |  |  |
Commodity derivatives | [1] | 62,152 | 87,098
Marketable securities | [2] | 63,651 | 60,989
(Liabilities): |  |  |
Commodity derivatives | [1] | (4,513) | (20,122)
Bank credit facility | [3] | (129,000) | 0
Deferred compensation plan | [4] | (73,188) | (86,882)
4.875% Senior Notes Due 2025 | Reported Value Measurement |  |  |
(Liabilities): |  |  |
Senior notes | [3] | 0 | (608,702)
4.875% Senior Notes Due 2025 | Estimate of Fair Value Measurement |  |  |
(Liabilities): |  |  |
Senior notes | [3] | 0 | (607,363)
8.25% Senior Notes Due 2029 | Reported Value Measurement |  |  |
(Liabilities): |  |  |
Senior notes | [3] | (600,000) | (600,000)
8.25% Senior Notes Due 2029 | Estimate of Fair Value Measurement |  |  |
(Liabilities): |  |  |
Senior notes | [3] | (615,168) | (618,114)
4.75% Senior Notes Due 2030 | Reported Value Measurement |  |  |
(Liabilities): |  |  |
Senior notes | [3] | (500,000) | (500,000)
4.75% Senior Notes Due 2030 | Estimate of Fair Value Measurement |  |  |
(Liabilities): |  |  |
Senior notes | [3] | $ (489,665) | $ (469,285)
[1] | Fair values for commodity derivatives utilize Level 2 inputs with the exception of swaptions, which utilize Level 3 inputs. Fair value of swaption contracts as of September 30, 2025 w as a derivative liability of $2.8 million.
[2] | Marketable securities, which are held in our deferred compensation plans, are actively traded on major exchanges, which is a Level 1 input.
[3] | The book value of our bank debt approximates fair value because of its floating rate structure. The fair value of our senior notes is based on end of period market quotes which are Level 2 inputs. Debt is presented on the balance sheet at carrying value.
[4] | The fair value of our deferred compensation plan is updated to the closing price of the marketable securities held in the plan on the balance sheet date, which is a Level 1 input.

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