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Stockholders' Equity (Details) - USD ($)	3 Months Ended
	Jan. 31, 2020	Jan. 31, 2019	Dec. 13, 2018
Equity [Abstract]
Stock repurchase program authorized amount			$ 500,000,000
Payments for repurchase of common stock	$ 12,572,000	$ 10,026,000

X

- Definition

Payments for Repurchase of Common Stock, Incentive and Share-based Compensation Plans, Excluding Stock Options

+ References

No definition available.

+ Details

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Balance Type:	credit
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X

- References

No definition available.

+ Details

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Period Type:	duration

X

- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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