v3.26.1
Note 12 - Income Taxes (Tables)
9 Months Ended
Jun. 30, 2026
Notes Tables  
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
  

Three Months Ended June 30,

  

Nine Months Ended June 30,

 
  

2026

  

2025

  

2026

  

2025

 

Effective tax rate

  21.7%  23.1%  22.1%  23.4%