FAIR VALUE - HIERARCHY (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Sep. 30, 2024
Liabilities:
Derivative Asset, Statement of Financial Position [Extensible Enumeration]	Assets
Derivative Liability, Statement of Financial Position [Extensible Enumeration]	Liabilities and Equity
Fair Value, Measurements, Recurring
Assets:
Other	$ 2,714	$ 2,671
Total assets at fair value	9,669	10,352
Liabilities:
Total liabilities at fair value	25,784	17,761
Fair Value, Measurements, Recurring | Money market funds
Assets:
Assets	10	62
Fair Value, Measurements, Recurring | Physical commodity contracts
Assets:
Assets	3,840	2,408
Liabilities:
Liabilities	19,829	15,683
Fair Value, Measurements, Recurring | Financial commodity contracts
Assets:
Assets	3,105	5,211
Liabilities:
Liabilities	5,955	2,078
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets, (Level 1)
Assets:
Other	2,714	2,671
Total assets at fair value	5,829	7,944
Liabilities:
Total liabilities at fair value	5,955	2,078
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets, (Level 1) | Money market funds
Assets:
Assets	10	62
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets, (Level 1) | Physical commodity contracts
Assets:
Assets	0	0
Liabilities:
Liabilities	0	0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets, (Level 1) | Financial commodity contracts
Assets:
Assets	3,105	5,211
Liabilities:
Liabilities	5,955	2,078
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
Assets:
Other	0	0
Total assets at fair value	3,840	2,408
Liabilities:
Total liabilities at fair value	19,829	15,683
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Money market funds
Assets:
Assets	0	0
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Physical commodity contracts
Assets:
Assets	3,840	2,408
Liabilities:
Liabilities	19,829	15,683
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Financial commodity contracts
Assets:
Assets	0	0
Liabilities:
Liabilities	0	0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3)
Assets:
Other	0	0
Total assets at fair value	0	0
Liabilities:
Total liabilities at fair value	0	0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Money market funds
Assets:
Assets	0	0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Physical commodity contracts
Assets:
Assets	0	0
Liabilities:
Liabilities	0	0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Financial commodity contracts
Assets:
Assets	0	0
Liabilities:
Liabilities	$ 0	$ 0