Income Taxes Activities and balances of unrecognized tax benefits (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Oct. 31, 2014	Oct. 31, 2013
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at beginning of year	$ 1,183us-gaap_UnrecognizedTaxBenefits	$ 1,247us-gaap_UnrecognizedTaxBenefits
Additions based on tax positions related to the current year	35	54
Reductions based on tax positions related to the current year	(5)	0
Reductions for tax positions of prior years	(3)	(61)
Reductions as result of lapse of applicable statute of limitations	(142)	(57)
Balance at end of year	1,068us-gaap_UnrecognizedTaxBenefits	1,183us-gaap_UnrecognizedTaxBenefits
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	700	777
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	(136)	(21)
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	$ 893	$ 1,029

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Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

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-Name Accounting Standards Codification

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Amount of decrease in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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