Stock-Based Compensation - Summarized Activity Related to Director Deferred Compensation Shares (Detail) - Directors - Deferred Compensation Share Equivalent Units shares in Thousands	3 Months Ended
	Jan. 31, 2022 $ / shares shares
Number of Shares
Outstanding, Beginning balance (in shares) | shares	106
Dividend equivalents (in shares) | shares	(4)
Outstanding, Ending balance (in shares) | shares	102
Weighted-Average Grant Date Fair Value
Beginning balance (in dollars per share) | $ / shares	$ 68.11
Distributions (in dollars per share) | $ / shares	49.08
Ending balance (in dollars per share) | $ / shares	$ 69.40