Stock-Based Compensation - Summarized Activity Related to Director Deferred Compensation Shares (Detail) - Directors - Deferred Compensation Share Equivalent Units shares in Thousands	12 Months Ended
	Oct. 31, 2024 $ / shares shares
Number of Shares
Beginning balance (in shares) | shares	78
Restricted share units vested (in shares) | shares	5
Dividend equivalents (in shares) | shares	1
Distributions (in shares) | shares	(19)
Ending balance (in shares) | shares	65
Weighted˗Average Grant Date Fair Value Per Share
Beginning balance (in dollars per share) | $ / shares	$ 93.11
Restricted share units vested (in dollars per share) | $ / shares	215.81
Dividend equivalents (in dollars per share) | $ / shares	249.07
Distributions (in dollars per share) | $ / shares	54.54
Ending balance (in dollars per share) | $ / shares	$ 115.66