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, 2021 $ / shares shares
Number of Shares
Outstanding, Beginning balance (in shares) | shares	120
Dividend equivalents (in shares) | shares	1
Dividend equivalents (in shares) | shares	(15)
Outstanding, Ending balance (in shares) | shares	106
Weighted-Average Grant Date Fair Value
Beginning balance (in dollars per share) | $ / shares	$ 60.81
Dividend equivalents (in dollars per share) | $ / shares	205.41
Distributions (in dollars per share) | $ / shares	62.26
Ending balance (in dollars per share) | $ / shares	$ 61.86