FAIR VALUE - HIERARCHY (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Sep. 30, 2023
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	$ 2,671	$ 2,641
Total assets at fair value	10,352	35,105
Liabilities
Total liabilities at fair value	17,761	24,112
Fair Value, Measurements, Recurring | Money market funds
Assets
Assets	62	145
Fair Value, Measurements, Recurring | Physical commodity contracts
Assets
Assets	2,408	7,054
Liabilities
liabilities	15,683	21,115
Fair Value, Measurements, Recurring | Financial commodity contracts
Assets
Assets	5,211	25,265
Liabilities
liabilities	2,078	2,997
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets
Other	2,671	2,641
Total assets at fair value	7,944	28,051
Liabilities
Total liabilities at fair value	2,078	2,997
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Money market funds
Assets
Assets	62	145
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	5,211	25,265
Liabilities
liabilities	2,078	2,997
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2)
Assets
Other	0	0
Total assets at fair value	2,408	7,054
Liabilities
Total liabilities at fair value	15,683	21,115
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	2,408	7,054
Liabilities
liabilities	15,683	21,115
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