XML 66 R56.htm IDEA: XBRL DOCUMENT v3.23.1
Stock-based compensation - Summarized Activity Related to Director Deferred Compensation Shares (Detail) - Directors - Deferred Compensation Share Equivalent Units
shares in Thousands
6 Months Ended
Apr. 30, 2023
$ / shares
shares
Number of Shares  
Outstanding, Beginning balance (in shares) | shares 90
Distributions (in shares) | shares (8)
Outstanding, Ending balance (in shares) | shares 82
Weighted-Average Grant Date Fair Value  
Beginning balance (in dollars per share) | $ / shares $ 77.70
Distributions (in dollars per share) | $ / shares 51.97
Ending balance (in dollars per share) | $ / shares $ 81.77