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Stock Repurchase Program - Stock Repurchase Activities (Detail) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2019	Jul. 31, 2018	Jul. 31, 2019	Jul. 31, 2018
Stock Repurchase Program [Abstract]
Purchases of treasury stock (in shares)	775	1,509	1,901	4,411
Aggregate purchased shares	$ 100,000	$ 132,000	$ 209,185	$ 387,000
Reissuance of treasury stock	1,166	1,107	3,009	2,527

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- Definition

Stock Repurchase Program

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No definition available.

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Number of treasury shares (units) reissued during the period, excluding reissuance of shares (units) held in treasury used to satisfy equity-based compensation obligations exercised by the holders of such rights. Upon reissuance of shares (units) from treasury, either the common or preferred stock (unit) reissued is outstanding.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
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Number of shares that have been repurchased during the period and are being held in treasury.

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-Publisher FASB
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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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