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Stock-Based Compensation - Summarized Activity Related to Restricted Stock (Detail) - Restricted Stock
shares in Thousands
12 Months Ended
Oct. 31, 2021
$ / shares
shares
Number of Shares  
Beginning balance (in shares) | shares 58
Granted (in shares) | shares 0
Forfeited (in shares) | shares (6)
Vested (in shares) | shares (33)
Ending balance (in shares) | shares 19
Weighted˗Average Grant Date Fair Value Per Share  
Beginning balance (in dollars per share) | $ / shares $ 148.75
Granted (in dollars per share) | $ / shares 0
Forfeited (in dollars per share) | $ / shares 162.94
Vested (in dollars per share) | $ / shares 141.32
Ending balance (in dollars per share) | $ / shares $ 157.36