Stock-based compensation - Summarized Activity Related to Director Deferred Compensation Shares (Detail) - Directors - Deferred Compensation Share Equivalent Units shares in Thousands |
9 Months Ended |
|---|---|
|
Jul. 31, 2024
$ / shares
shares
| |
| Number of Shares | |
| Outstanding, Beginning balance (in shares) | shares | 78 |
| Distributions (in shares) | shares | (14) |
| Outstanding, Ending balance (in shares) | shares | 65 |
| Dividend equivalents (in shares) | shares | 1 |
| Dividend equivalents (in dollars per share) | $ / shares | $ 249.14 |
| Weighted-Average Grant Date Fair Value | |
| Beginning balance (in dollars per share) | $ / shares | 93.11 |
| Distributions (in dollars per share) | $ / shares | 54.21 |
| Ending balance (in dollars per share) | $ / shares | $ 103.73 |