Stockholders' Equity (Tables)
|
9 Months Ended |
Jun. 30, 2026 |
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
|
| Summary of Activity in Common Stock and Treasury Stock Shares |
Activity in common stock and treasury stock shares was as follows:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Common Stock |
|
|
Treasury Stock |
|
|
Treasury stock held for deferred compensation |
|
Balances as of April 1, 2025 |
|
|
72,960 |
|
|
|
(13,380 |
) |
|
|
(30 |
) |
Purchase of treasury stock |
|
|
— |
|
|
|
(231 |
) |
|
|
— |
|
Sales of treasury stock |
|
|
— |
|
|
|
626 |
|
|
|
— |
|
Common shares issued for benefit plans |
|
|
— |
|
|
|
— |
|
|
|
— |
|
Distribution of stock from deferred compensation |
|
|
— |
|
|
|
— |
|
|
|
1 |
|
Balances as of June 30, 2025 |
|
|
72,960 |
|
|
|
(12,985 |
) |
|
|
(29 |
) |
|
|
|
|
|
|
|
|
|
|
Balances as of April 1, 2026 |
|
|
72,960 |
|
|
|
(13,367 |
) |
|
|
(27 |
) |
Purchase of treasury stock |
|
|
— |
|
|
|
(520 |
) |
|
|
— |
|
Sales of treasury stock |
|
|
— |
|
|
|
156 |
|
|
|
— |
|
Common shares issued for benefit plans |
|
|
— |
|
|
|
— |
|
|
|
— |
|
Distribution of stock from deferred compensation |
|
|
— |
|
|
|
— |
|
|
|
1 |
|
Balances as of June 30, 2026 |
|
|
72,960 |
|
|
|
(13,731 |
) |
|
|
(26 |
) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Common Stock |
|
|
Treasury Stock |
|
|
Treasury stock held for deferred compensation |
|
Balances as of September 30, 2024 |
|
|
72,960 |
|
|
|
(13,787 |
) |
|
|
(45 |
) |
Purchase of treasury stock |
|
|
— |
|
|
|
(680 |
) |
|
|
— |
|
Sales of treasury stock |
|
|
— |
|
|
|
1,351 |
|
|
|
— |
|
Common shares issued for benefit plans |
|
|
— |
|
|
|
131 |
|
|
|
— |
|
Purchases of stock by deferred compensation |
|
|
— |
|
|
|
— |
|
|
|
(1 |
) |
Distribution of stock from deferred compensation |
|
|
— |
|
|
|
— |
|
|
|
17 |
|
Balances as of June 30, 2025 |
|
|
72,960 |
|
|
|
(12,985 |
) |
|
|
(29 |
) |
|
|
|
|
|
|
|
|
|
|
Balances as of September 30, 2025 |
|
|
72,960 |
|
|
|
(13,060 |
) |
|
|
(28 |
) |
Purchase of treasury stock |
|
|
— |
|
|
|
(1,606 |
) |
|
|
— |
|
Sales of treasury stock |
|
|
— |
|
|
|
857 |
|
|
|
— |
|
Common shares issued for benefit plans |
|
|
— |
|
|
|
78 |
|
|
|
— |
|
Purchases of stock by deferred compensation |
|
|
— |
|
|
|
— |
|
|
|
(1 |
) |
Distribution of stock from deferred compensation |
|
|
— |
|
|
|
— |
|
|
|
3 |
|
Balances as of June 30, 2026 |
|
|
72,960 |
|
|
|
(13,731 |
) |
|
|
(26 |
) |
|
| Summary of Activity for RSUs |
A summary of the activity for RSUs:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Three Months Ended June 30, 2026 |
|
|
Nine Months Ended June 30, 2026 |
|
|
|
Number of units |
|
|
Weighted-Average Grant Date Fair Value |
|
|
Number of units |
|
|
Weighted-Average Grant Date Fair Value |
|
Beginning balance |
|
|
236 |
|
|
$ |
213.07 |
|
|
|
309 |
|
|
$ |
148.31 |
|
Granted |
|
|
2 |
|
|
|
370.25 |
|
|
|
64 |
|
|
|
377.82 |
|
Released |
|
|
(3 |
) |
|
|
175.70 |
|
|
|
(135 |
) |
|
|
139.97 |
|
Forfeited |
|
|
(1 |
) |
|
|
206.55 |
|
|
|
(4 |
) |
|
|
158.71 |
|
Ending balance |
|
|
234 |
|
|
$ |
215.00 |
|
|
|
234 |
|
|
$ |
215.00 |
|
|
| Stock Options [Member] |
|
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
|
| Summary of Activity for Stock Option Awards |
The following is a summary of the activity for stock option awards:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Three Months Ended June 30, 2026 |
|
|
Nine Months Ended June 30, 2026 |
|
|
|
Number of options |
|
|
Weighted-Average Exercise Price per Share |
|
|
Number of options |
|
|
Weighted-Average Exercise Price per Share |
|
Beginning balance |
|
|
1,671 |
|
|
$ |
97.33 |
|
|
|
2,249 |
|
|
$ |
91.25 |
|
Granted |
|
|
— |
|
|
|
— |
|
|
|
17 |
|
|
|
391.53 |
|
Exercised |
|
|
(154 |
) |
|
|
94.58 |
|
|
|
(748 |
) |
|
|
85.11 |
|
Forfeited |
|
|
(2 |
) |
|
|
153.18 |
|
|
|
(3 |
) |
|
|
141.26 |
|
Ending balance |
|
|
1,515 |
|
|
$ |
97.53 |
|
|
|
1,515 |
|
|
$ |
97.53 |
|
|
| Changes in Non-vested Stock Options |
Changes in non-vested stock options were as follows:
|
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|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Three Months Ended June 30, 2026 |
|
|
Nine Months Ended June 30, 2026 |
|
|
|
Number of options |
|
|
Weighted-Average Grant Date Fair Value per Share |
|
|
Number of options |
|
|
Weighted-Average Grant Date Fair Value Per Share |
|
Beginning balance |
|
|
233 |
|
|
$ |
55.26 |
|
|
|
473 |
|
|
$ |
43.40 |
|
Granted |
|
|
— |
|
|
|
— |
|
|
|
17 |
|
|
|
173.79 |
|
Vested |
|
|
(19 |
) |
|
|
39.51 |
|
|
|
(276 |
) |
|
|
41.10 |
|
Forfeited |
|
|
(2 |
) |
|
|
65.28 |
|
|
|
(2 |
) |
|
|
59.81 |
|
Ending balance |
|
|
212 |
|
|
$ |
56.57 |
|
|
|
212 |
|
|
$ |
56.57 |
|
|
| Stock Options Vested, or Expected to Vest and Exercisable |
Information about stock options that have vested, or are expected to vest, and are exercisable at June 30, 2026 was as follows:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Number of options |
|
|
Weighted-Average Exercise Price |
|
|
Weighted-Average Remaining Life in Years |
|
|
Aggregate Intrinsic Value |
|
Options outstanding |
|
|
1,515 |
|
|
$ |
97.53 |
|
|
|
4.6 |
|
|
$ |
497,030 |
|
Options vested and exercisable |
|
|
1,304 |
|
|
|
91.73 |
|
|
|
4.2 |
|
|
|
435,081 |
|
Options vested and expected to vest |
|
|
1,509 |
|
|
|
97.06 |
|
|
|
4.6 |
|
|
|
495,621 |
|
|
| Performance Restricted Stock Units [Member] |
|
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
|
| Schedule of Assumptions to Value PSUs Granted |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
June 30, 2026 |
|
|
June 30, 2025 |
|
|
June 30, 2024 |
|
Expected volatility |
|
|
30.7 |
% |
|
|
30.9 |
% |
|
|
30.2 |
% |
Risk free interest rate |
|
|
3.4 |
% |
|
|
4.1 |
% |
|
|
4.5 |
% |
Expected life |
|
3 years |
|
|
3 years |
|
|
3 years |
|
Grant date fair value |
|
$ |
367.56 |
|
|
$ |
196.63 |
|
|
$ |
146.47 |
|
|
| Market condition awards [Member] |
|
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
|
| Summary of the Activity Awards |
A summary of the activity for market condition awards:
|
|
|
|
|
|
|
|
|
|
|
Nine Months Ended June 30, 2026 |
|
|
|
Number of units |
|
|
Weighted-Average Grant Date Fair Value |
|
Beginning balance |
|
|
104 |
|
|
$ |
167.17 |
|
Granted |
|
|
15 |
|
|
|
367.56 |
|
Forfeited |
|
|
— |
|
|
|
— |
|
Ending balance |
|
|
119 |
|
|
$ |
193.29 |
|
There was no activity for market condition awards during the three months ended June 30, 2026.
|
| Performance Condition Award [Member] |
|
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
|
| Summary of the Activity Awards |
A summary of the activity for performance condition awards:
|
|
|
|
|
|
|
|
|
|
|
Nine Months Ended June 30, 2026 |
|
|
|
Number of units |
|
|
Weighted-Average Grant Date Fair Value |
|
Beginning balance |
|
|
— |
|
|
$ |
— |
|
Granted |
|
|
15 |
|
|
|
298.15 |
|
Forfeited |
|
|
— |
|
|
|
— |
|
Ending balance |
|
|
15 |
|
|
$ |
298.15 |
|
There was no activity for performance condition awards during the three months ended June 30, 2026.
|