v3.24.2
FAIR VALUE MEASUREMENT OF FINANCIAL INSTRUMENTS - Narrative (Details) - USD ($)
shares in Millions, $ in Millions
1 Months Ended 3 Months Ended 9 Months Ended
Oct. 31, 2022
Apr. 30, 2022
Sep. 30, 2021
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Gain (loss) resulting from the change in the fair value of investments       $ 5.6 $ (17.0) $ 3.5 $ 7.4
Unrealized gain (loss) on investments       $ 1.9 $ 1.5 $ 3.7  
Depository Beneficial Interests 0.50%            
Equity Method Investments, Lockup Period           180 days  
Convertible Debt | Galileo Technologies              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Interest rate (as a percent)   5.00%          
ADNOC Drilling              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Payments to acquire investments     $ 100.0        
Investment balance (in shares)     159.7        
Investments lockup period (in years)     3 years        
ADNOC Drilling | ADNOC Drilling              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Ownership percentage (as a percent)     1.00%        
Tamboran Resources Limited              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Payments to acquire investments $ 14.1            
Investment shares acquired (in shares) 106.0            
Tamboran Resources Limited | Tamboran Resources Limited              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Ownership percentage (as a percent)       7.20%   7.20%  
Galileo Technologies              
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]              
Payments to acquire investments   $ 33.0