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Condensed Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Jan. 02, 2015	Dec. 27, 2013
Net sales	$ 70,822us-gaap_SalesRevenueNet	$ 79,100us-gaap_SalesRevenueNet
Cost of sales	43,488us-gaap_CostOfGoodsSold	49,171us-gaap_CostOfGoodsSold
Gross profit	27,334us-gaap_GrossProfit	29,929us-gaap_GrossProfit
Operating expenses:
Marketing and selling	18,499us-gaap_SellingAndMarketingExpense	18,972us-gaap_SellingAndMarketingExpense
Administrative management, finance and information systems	11,911us-gaap_GeneralAndAdministrativeExpense	10,018us-gaap_GeneralAndAdministrativeExpense
Research and development	4,255us-gaap_ResearchAndDevelopmentExpense	3,847us-gaap_ResearchAndDevelopmentExpense
Total operating expenses	34,665us-gaap_OperatingExpenses	32,837us-gaap_OperatingExpenses
Operating loss	(7,331)us-gaap_OperatingIncomeLoss	(2,908)us-gaap_OperatingIncomeLoss
Interest income	(22)us-gaap_InvestmentIncomeNet	(31)us-gaap_InvestmentIncomeNet
Interest expense	187us-gaap_InterestExpense	202us-gaap_InterestExpense
Other income, net	(572)us-gaap_OtherNonoperatingIncomeExpense	(159)us-gaap_OtherNonoperatingIncomeExpense
Loss before income taxes	(6,924)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	(2,920)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
Income tax benefit	(2,730)us-gaap_IncomeTaxExpenseBenefit	(727)us-gaap_IncomeTaxExpenseBenefit
Net loss	$ (4,194)us-gaap_NetIncomeLoss	$ (2,193)us-gaap_NetIncomeLoss
Participating securities	310us-gaap_IncrementalCommonSharesAttributableToParticipatingNonvestedSharesWithNonForfeitableDividendRights	371us-gaap_IncrementalCommonSharesAttributableToParticipatingNonvestedSharesWithNonForfeitableDividendRights
Dilutive stock options and restricted stock units
Weighted average common shares - Dilutive	9,991us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding	9,945us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
Class A [Member]
Weighted average common shares - Basic:
Weighted average common shares - Basic	8,469us-gaap_WeightedAverageNumberOfSharesOutstandingBasic / us-gaap_StatementScenarioAxis = us-gaap_CommonClassAMember	8,362us-gaap_WeightedAverageNumberOfSharesOutstandingBasic / us-gaap_StatementScenarioAxis = us-gaap_CommonClassAMember
Net (loss) income per common share - Basic:
Net loss income per common share - Basic	$ (0.42)us-gaap_EarningsPerShareBasic / us-gaap_StatementScenarioAxis = us-gaap_CommonClassAMember	$ (0.22)us-gaap_EarningsPerShareBasic / us-gaap_StatementScenarioAxis = us-gaap_CommonClassAMember
Net (loss) income per common share - Diluted:
Net loss income per common share - Diluted	$ (0.42)us-gaap_EarningsPerShareDiluted / us-gaap_StatementScenarioAxis = us-gaap_CommonClassAMember	$ (0.22)us-gaap_EarningsPerShareDiluted / us-gaap_StatementScenarioAxis = us-gaap_CommonClassAMember
Dividends declared per common share:
Dividends declared per common share	$ 0.08us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_StatementScenarioAxis = us-gaap_CommonClassAMember	$ 0.15us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_StatementScenarioAxis = us-gaap_CommonClassAMember
Class B [Member]
Weighted average common shares - Basic:
Weighted average common shares - Basic	1,212us-gaap_WeightedAverageNumberOfSharesOutstandingBasic / us-gaap_StatementScenarioAxis = us-gaap_CommonClassBMember	1,212us-gaap_WeightedAverageNumberOfSharesOutstandingBasic / us-gaap_StatementScenarioAxis = us-gaap_CommonClassBMember
Net (loss) income per common share - Basic:
Net loss income per common share - Basic	$ (0.42)us-gaap_EarningsPerShareBasic / us-gaap_StatementScenarioAxis = us-gaap_CommonClassBMember	$ (0.22)us-gaap_EarningsPerShareBasic / us-gaap_StatementScenarioAxis = us-gaap_CommonClassBMember
Net (loss) income per common share - Diluted:
Net loss income per common share - Diluted	$ (0.42)us-gaap_EarningsPerShareDiluted / us-gaap_StatementScenarioAxis = us-gaap_CommonClassBMember	$ (0.22)us-gaap_EarningsPerShareDiluted / us-gaap_StatementScenarioAxis = us-gaap_CommonClassBMember
Dividends declared per common share:
Dividends declared per common share	$ 0.07us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_StatementScenarioAxis = us-gaap_CommonClassBMember	$ 0.14us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_StatementScenarioAxis = us-gaap_CommonClassBMember

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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-Name Accounting Standards Codification

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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

-Publisher FASB

-Name Accounting Standards Codification

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The aggregate total amount of expenses directly related to the marketing or selling of products or services.

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No definition available.

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

-Section 50

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-Section 45

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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.

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-Name Accounting Standards Codification

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