v3.26.1
Income Taxes - Narrative (Details) - USD ($)
9 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jul. 04, 2025
Income Tax Contingency [Line Items]      
Effective tax rate 30.70% 25.40%  
Effective tax rate statutory federal rate 21.00%    
Percentage of bonus depreciation for acquired property placed in service     100.00%
Unrecognized tax benefits $ 0    
One Big Beautiful Bill Act      
Income Tax Contingency [Line Items]      
Amortization period for acquired property     5 years