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Stock-Based Compensation - Stock Option (Details) - Stock options shares in Thousands	9 Months Ended
	Jul. 31, 2022 $ / shares shares
Share-based Compensation
Outstanding, Number of Shares, Beginning Balance | shares	19
Exercised, Number of Shares | shares	(2)
Outstanding, Number of Shares, Ending Balance | shares	17
Exercisable, Number of Shares | shares	12
Outstanding, Weighted-Average Exercise Price | $ / shares	$ 42.89
Exercised, Weighted-Average Exercise Price | $ / shares	23.48
Outstanding, Weighted-Average Exercise Price, ending balance | $ / shares	47.62
Exercisable, Weighted-Average Exercise Price | $ / shares	$ 51.12
Outstanding stock options, weighted-average remaining contractual term	2 years 8 months 12 days

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Number of options outstanding, including both vested and non-vested options.

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Number of share options (or share units) exercised during the current period.

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