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CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Oct. 31, 2014	Oct. 31, 2013	Oct. 31, 2012
CONSOLIDATED STATEMENTS OF INCOME [Abstract]
Sales and service fees	$ 222,303us-gaap_SalesRevenueNet	$ 192,804us-gaap_SalesRevenueNet	$ 203,117us-gaap_SalesRevenueNet
Cost of sales and service	153,691us-gaap_CostOfGoodsAndServicesSold	137,748us-gaap_CostOfGoodsAndServicesSold	139,936us-gaap_CostOfGoodsAndServicesSold
Gross profit	68,612us-gaap_GrossProfit	55,056us-gaap_GrossProfit	63,181us-gaap_GrossProfit
Selling, general and administrative expenses	46,615us-gaap_SellingGeneralAndAdministrativeExpense	41,413us-gaap_SellingGeneralAndAdministrativeExpense	41,160us-gaap_SellingGeneralAndAdministrativeExpense
Operating income	21,997us-gaap_OperatingIncomeLoss	13,643us-gaap_OperatingIncomeLoss	22,021us-gaap_OperatingIncomeLoss
Interest expense	264us-gaap_InterestExpense	280us-gaap_InterestExpense	168us-gaap_InterestExpense
Interest income	78us-gaap_InvestmentIncomeInterest	74us-gaap_InvestmentIncomeInterest	69us-gaap_InvestmentIncomeInterest
Investment income	42us-gaap_InvestmentIncomeNet	21us-gaap_InvestmentIncomeNet	7us-gaap_InvestmentIncomeNet
Income from equity investments	444us-gaap_IncomeLossFromEquityMethodInvestments	228us-gaap_IncomeLossFromEquityMethodInvestments	276us-gaap_IncomeLossFromEquityMethodInvestments
Other expense, net	936us-gaap_OtherNonoperatingIncomeExpense	1,244us-gaap_OtherNonoperatingIncomeExpense	341us-gaap_OtherNonoperatingIncomeExpense
Income before income taxes	21,361us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	12,442us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	21,864us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
Provision for income taxes	6,218us-gaap_IncomeTaxExpenseBenefit	4,252us-gaap_IncomeTaxExpenseBenefit	6,226us-gaap_IncomeTaxExpenseBenefit
Net income	$ 15,143us-gaap_NetIncomeLoss	$ 8,190us-gaap_NetIncomeLoss	$ 15,638us-gaap_NetIncomeLoss
Income per common share - basic	$ 2.31us-gaap_EarningsPerShareBasic	$ 1.26us-gaap_EarningsPerShareBasic	$ 2.41us-gaap_EarningsPerShareBasic
Weighted average common shares outstanding - basic	6,497us-gaap_WeightedAverageNumberOfSharesOutstandingBasic	6,455us-gaap_WeightedAverageNumberOfSharesOutstandingBasic	6,445us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Income per common share - diluted	$ 2.30us-gaap_EarningsPerShareDiluted	$ 1.25us-gaap_EarningsPerShareDiluted	$ 2.40us-gaap_EarningsPerShareDiluted
Weighted average common shares outstanding - diluted	6,538us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding	6,497us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding	6,470us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
Dividends paid per share	$ 0.26us-gaap_CommonStockDividendsPerShareCashPaid	$ 0.10us-gaap_CommonStockDividendsPerShareCashPaid

X

- Definition

Aggregate dividends paid during the period for each share of common stock outstanding.

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 260



-SubTopic 10



-Section 50



-Paragraph 1



-Subparagraph (a)



-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257







Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 260



-SubTopic 10



-Section 45



-Paragraph 10



-URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1448-109256







Reference 3: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Glossary Weighted-Average Number of Common Shares Outstanding



-URI http://asc.fasb.org/extlink&oid=6528421

+ Details

Name:	us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration