v3.22.4
Other Comprehensive Income (Loss) (Reclassification out of Accumulated Other Comprehensive Income) (Details) - USD ($)
$ in Thousands
 3 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Reclassification out of Accumulated Other Comprehensive Income (Loss) [Line Items]    
Net income tax effect $ (5,927) $ (4,185)
Reclassification out of Accumulated Other Comprehensive Income    
Reclassification out of Accumulated Other Comprehensive Income (Loss) [Line Items]    
Total reclassifications for the period (4,942) 8,475
Reclassification out of Accumulated Other Comprehensive Income | Cash Flow Hedges    
Reclassification out of Accumulated Other Comprehensive Income (Loss) [Line Items]    
Net income tax effect 1,485 (2,422)
Net of income tax expense (5,139) 8,379
Reclassification out of Accumulated Other Comprehensive Income | Actuarial Loss    
Reclassification out of Accumulated Other Comprehensive Income (Loss) [Line Items]    
Other Nonoperating Income (Expense) [1] 255 124
Reclassification out of Accumulated Other Comprehensive Income | Defined Benefit Plan    
Reclassification out of Accumulated Other Comprehensive Income (Loss) [Line Items]    
Net income tax effect (58) (28)
Net of income tax expense 197 96
Interest Rate Contract | Reclassification out of Accumulated Other Comprehensive Income | Cash Flow Hedges    
Reclassification out of Accumulated Other Comprehensive Income (Loss) [Line Items]    
Interest (income) expense, effective portion $ (6,624) $ 10,801
[1] This item is included in the computation of net periodic pension cost. See Note 9. DEFINED BENEFIT PLAN for additional disclosure.