A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

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The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.

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- Definition

This element represents the amount of interest expense accrued as of the date of the statement of financial position for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity.

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INCOME TAXES - Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended
INCOME TAXES - Additional Information (Detail) (USD $)	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2012	Jul. 31, 2011	Oct. 31, 2011
Income Taxes [Line Items]
Effective tax rate			30.00%	30.00%
Provision for income taxes	$ 1,641,000	$ 1,706,000	$ 5,007,000	$ 3,655,000
Unrecognized tax benefits	131,000		131,000		275,000
Gross accrued interest amount	$ 13,000		$ 13,000
Fiscal Year 2006
Income Taxes [Line Items]
Federal income tax returns, years under examination			2006
Fiscal Year 2007
Income Taxes [Line Items]
Federal income tax returns, years under examination			2007
Fiscal Year 2010
Income Taxes [Line Items]
Federal income tax returns, years under examination			2010
Fiscal Year 2008
Income Taxes [Line Items]
Federal income tax returns, years not under examination			2008
Fiscal Year 2009
Income Taxes [Line Items]
Federal income tax returns, years not under examination			2009
Minimum
Income Taxes [Line Items]
Statutes of limitations with respect to unrecognized tax benefits			2014-07
Maximum
Income Taxes [Line Items]
Statutes of limitations with respect to unrecognized tax benefits			2015-07