Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details)

v3.24.2.u1
Fair Value Measurements (Details) - USD ($)
$ in Thousands
Jun. 30, 2024
Sep. 30, 2023
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets $ 17,016 $ 15,079
Corporate debt securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets 6,789 5,605
Municipal government securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets 1,695 1,748
Agency backed securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets 1,181 1,177
Fair Value, Recurring | Fair Value, Inputs, Level 2    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets 37,468 42,192
Liabilities 0 20
Fair Value, Recurring | Fair Value, Inputs, Level 2 | U.S. government securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets 7,351 6,549
Fair Value, Recurring | Fair Value, Inputs, Level 2 | Corporate debt securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets 6,789 5,605
Fair Value, Recurring | Fair Value, Inputs, Level 2 | Municipal government securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets 1,695 1,748
Fair Value, Recurring | Fair Value, Inputs, Level 2 | Agency backed securities    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets 1,181 1,177
Fair Value, Recurring | Fair Value, Inputs, Level 2 | Commodity swap contracts    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets 0 204
Liabilities 0 20
Fair Value, Recurring | Fair Value, Inputs, Level 2 | Interest rate swaps    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Assets $ 20,452 $ 26,909