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Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified | Jan. 02, 2015 | Oct. 03, 2014 | Dec. 27, 2013
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Property, plant and equipment, accumulated depreciation | $ 109,915 us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment | $ 108,668 us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment | $ 105,031 us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Class A [Member] |  |  |
Common stock, shares outstanding | 8,790,733 us-gaap_CommonStockSharesOutstanding / us-gaap_StatementScenarioAxis = us-gaap_CommonClassAMember | 8,769,426 us-gaap_CommonStockSharesOutstanding / us-gaap_StatementScenarioAxis = us-gaap_CommonClassAMember | 8,750,149 us-gaap_CommonStockSharesOutstanding / us-gaap_StatementScenarioAxis = us-gaap_CommonClassAMember
Treasury stock, shares | 28,118 us-gaap_TreasuryStockShares / us-gaap_StatementScenarioAxis = us-gaap_CommonClassAMember | 11,203 us-gaap_TreasuryStockShares / us-gaap_StatementScenarioAxis = us-gaap_CommonClassAMember | 14,511 us-gaap_TreasuryStockShares / us-gaap_StatementScenarioAxis = us-gaap_CommonClassAMember
Class B [Member] |  |  |
Common stock, shares outstanding | 1,212,382 us-gaap_CommonStockSharesOutstanding / us-gaap_StatementScenarioAxis = us-gaap_CommonClassBMember | 1,212,382 us-gaap_CommonStockSharesOutstanding / us-gaap_StatementScenarioAxis = us-gaap_CommonClassBMember | 1,212,420 us-gaap_CommonStockSharesOutstanding / us-gaap_StatementScenarioAxis = us-gaap_CommonClassBMember

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- Definition Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.14) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 14 -Article 5 + Details
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- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 + Details
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- Definition Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.28,29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
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