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BUSINESS COMBINATION - Operating Lease Right of Use Assets and Corresponding Current and Noncurrent Liability (Details) - USD ($)
$ in Thousands
Sep. 30, 2025
Sep. 30, 2024
Business Combination [Line Items]    
Total Operating lease right-of-use asset $ 123,598 $ 67,076
Current portion of lease liabilities within Accounts payable and Accrued liabilities 35,960 16,997
Noncurrent portion of operating lease liabilities within Other noncurrent liabilities 110,120 $ 59,733
KCA Deutag    
Business Combination [Line Items]    
Real estate properties 34,369  
Drilling equipment 11,793  
Total Operating lease right-of-use asset 46,162  
Current portion of lease liabilities within Accounts payable and Accrued liabilities 16,557  
Noncurrent portion of operating lease liabilities within Other noncurrent liabilities $ 39,377