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Fair Value Measurements - Carrying Amounts and Fair Values of Financial Instruments (Detail) - USD ($)
$ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Contingent Consideration    
Assets:    
Divestiture contingent consideration $ 8,100  
Reported Value Measurement    
Assets:    
Commodity derivatives 248,528 $ 28,835
Marketable securities [1] 58,739 57,717
(Liabilities):    
Commodity derivatives (1,018) (166,912)
Bank credit facility [2] 0 (19,000)
Deferred compensation plan [3] (144,076) (189,241)
Reported Value Measurement | Contingent Consideration    
Assets:    
Divestiture contingent consideration 8,140 13,080
Estimate of Fair Value Measurement    
Assets:    
Commodity derivatives 248,528 28,835
Marketable securities [1] 58,739 57,717
(Liabilities):    
Commodity derivatives (1,018) (166,912)
Bank credit facility [2] 0 (19,000)
Deferred compensation plan [3] (144,076) (189,241)
Estimate of Fair Value Measurement | Contingent Consideration    
Assets:    
Divestiture contingent consideration 8,140 13,080
4.875% Senior Notes Due 2025 | Reported Value Measurement    
(Liabilities):    
Senior notes [2] (688,388) (750,000)
4.875% Senior Notes Due 2025 | Estimate of Fair Value Measurement    
(Liabilities):    
Senior notes [2] (676,940) (714,870)
8.25% senior notes due 2029 | Reported Value Measurement    
(Liabilities):    
Senior notes [2] (600,000) (600,000)
8.25% senior notes due 2029 | Estimate of Fair Value Measurement    
(Liabilities):    
Senior notes [2] (624,696) (618,312)
4.75% senior subordinated notes due 2030 | Reported Value Measurement    
(Liabilities):    
Senior notes [2] (500,000) (500,000)
4.75% senior subordinated notes due 2030 | Estimate of Fair Value Measurement    
(Liabilities):    
Senior notes [2] $ (450,430) $ (442,350)
[1]

Marketable securities, which are held in our deferred compensation plans, are actively traded on major exchanges.

[2]

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.

[3]

The fair value of our deferred compensation plan is updated to the closing price on the balance sheet date which is a Level 1 input.