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, 2025 $ / shares shares
Number of Shares
Beginning balance (in shares) | shares	65
Restricted share units vested (in shares) | shares	6
Dividend equivalents (in shares) | shares	1
Distributions (in shares) | shares	(2)
Ending balance (in shares) | shares	70
Weighted˗Average Grant Date Fair Value Per Share
Beginning balance (in dollars per share) | $ / shares	$ 115.66
Restricted share units vested (in dollars per share) | $ / shares	244.50
Dividend equivalents (in dollars per share) | $ / shares	210.16
Distributions (in dollars per share) | $ / shares	77.88
Ending balance (in dollars per share) | $ / shares	$ 130.06