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LEASES (Tables)
 12 Months Ended
Sep. 30, 2025
Leases [Abstract]  
Schedule of Lease Position and Recognized Right-of-Use Assets
Lease Position
(in thousands)September 30, 2025September 30, 2024
Operating lease commitments, including probable extensions1
$158,086 $104,535 
Discounted using the lessee's incremental borrowing rate$147,581 $77,316 
(Less): short-term leases recognized on a straight-line basis as expense(864)(404)
(Less): other(637)(182)
Lease liability recognized$146,080 $76,730 
Of which:
Current lease liabilities$35,960 $16,997 
Non-current lease liabilities110,120 59,733 
(1)Our future minimal rental payments exclude optional extensions that have not been exercised but are probable to be exercised in the future. Those probable extensions are included in the operating lease liability balance.
The recognized right-of-use assets relate to the following types of assets:
(in thousands)September 30, 2025September 30, 2024
Real estate properties$113,877 $66,842 
Drilling equipment9,721 234 
Total right-of-use assets$123,598 $67,076 
Schedule of Certain Information Related to Lease Costs and Other Information Related to Operating Leases
The following table presents certain information related to the lease costs for our operating leases:
Year ended September 30,
(in thousands)202520242023
Operating lease cost$30,795 $11,693 $11,004 
Short-term lease cost25,795 1,567 1,437 
Total lease cost$56,590 $13,260 $12,441 
Lease Terms and Discount Rates
The table below presents certain information related to the weighted average remaining lease terms and weighted average discount rates for our operating leases:
September 30, 2025September 30, 2024
Weighted average remaining lease term9.911.6
Weighted average discount rate5.2 %5.1 %
Schedule of Future Minimum Rental Payments Required under Operating Lease
Future minimum rental payments required under operating leases having initial or remaining non-cancelable lease terms in excess of one year at September 30, 2025 (in thousands) are as follows:
Fiscal YearAmount
2026$31,067 
202717,672 
202815,888 
202914,677 
203012,777 
Thereafter66,005 
Total1
$158,086 
(1)Our future minimal rental payments exclude optional extensions that have not been exercised but are probable to be exercised in the future. Those probable extensions are included in the operating lease liability balance.