v3.26.1
Stockholders' Equity (Summary of Activity for RSUs) (Details) - Restricted Stock Units (RSUs) [Member] - $ / shares
shares in Thousands
3 Months Ended 9 Months Ended
Jun. 30, 2026
Jun. 30, 2026
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Number of units, Beginning balance 236 309
Granted, Number of units 2 64
Released, Number of units (3) (135)
Forfeited, Number of units (1) (4)
Number of units, Ending balance 234 234
Weighted-Average Grant Date Fair Value, Beginning balance $ 213.07 $ 148.31
Granted, Weighted-Average Grant Date Fair Value 370.25 377.82
Released, Weighted-Average Grant Date Fair Value 175.7 139.97
Forfeited, Weighted-Average Grant Date Fair Value 206.55 158.71
Weighted-Average Grant Date Fair Value, Ending balance $ 215 $ 215