Income Taxes (Details Textual) - USD ($) $ in Thousands	3 Months Ended
Jan. 31, 2020	Jan. 31, 2019
Income Taxes (Textual) [Abstract]
Income tax provision	$ 9,056	$ 39,396
Effective Income Tax Rate Reconciliation, Percent	13.70%	26.00%
Effective Income Tax Rate Reconciliation, Tax Credit, Other, Amount	$ 6,900
Unrecognized Tax Benefits	$ 8,100
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range Not Possible	During the next 12 months, it is reasonably possible that our unrecognized tax benefits will change, but we are not able to provide a range of such change.
State and Local Jurisdiction [Member]
Income Taxes (Textual) [Abstract]
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent	5.80%	6.10%

Income taxes.

No definition available.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other tax credits.

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A statement that a range of reasonably possible change cannot be made for a tax position taken for which it is reasonably possible that the total amount of unrecognized tax benefit will significantly increase or decrease within 12 months of the balance sheet date.

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Amount of unrecognized tax benefits.

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