v3.26.1
FAIR VALUE MEASUREMENT OF FINANCIAL INSTRUMENTS - Narrative (Details) - USD ($)
$ in Thousands, shares in Millions
 1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Apr. 30, 2022
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Sep. 30, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Investment shares   1.0   1.0    
Unrealized gain (loss) on investments   $ (14,300) $ (800) $ 6,700 $ 1,300  
Equity Securities Without Readily Determinable Fair Value | Level 3            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Loss on investment   0 (624) 4,228 (15,119)  
Disposals   0 $ 27,117 0 27,117  
ADNOC Drilling            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Investment balance (in shares)           159.7
Increase (decrease) in equity securities, FV-NI         193,300  
Loss resulting from the change in the fair value of investments         $ 12,400  
Tamboran Resources Limited            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Equity securities   32,663   32,663   $ 25,976
Tamboran Resources Limited | Level 3            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Equity securities   $ 0   $ 0   0
Tamboran Resources Limited | Tamboran Resources Limited            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Ownership percentage (as a percent)   3.60%   3.60%    
Galileo Technologies            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Payments to acquire investments $ 33,000          
Notes Receivable | Debt Securities | Level 3            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Loss on investment           29,600
Fair Value, Nonrecurring            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Equity securities   $ 9,600   $ 9,600   6,700
Debt security investments           200
Fair Value, Nonrecurring | Geothermal Investments            
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]            
Equity securities   $ 9,100   $ 9,100   $ 14,100