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Investments in Associated Companies Summarized Financial Information (Details) (USD $)
 3 Months Ended 9 Months Ended
Jun. 29, 2014
Jun. 30, 2013
Jun. 29, 2014
Jun. 30, 2013
Schedule of Equity Method Investments [Line Items]        
Equity in earnings of associated companies $ 1,836,000 $ 1,893,000 $ 6,348,000 $ 6,671,000
Equity Method Investee- TNI [Member]
        
Schedule of Equity Method Investments [Line Items]        
Share of TNI Operating Expenses (17,000,000)   (51,000,000) (449,000,000)
Equity Method Investment, Summarized Financial Information, Revenue 13,750,000 14,644,000 44,888,000 48,110,000
Equity Method Investment, Summarized Financial Information, Operating Expenses Excluding Depreciation, Amortization And Workforce Adjustments 11,449,000 12,300,000 36,116,000 39,051,000
Equity Method Investment, Summarized Financial Information, Workforce Adjustments 0 0 (87,000) 0
Equity Method Investment, Summarized Financial Information, Operating Income 2,301,000 2,344,000 8,859,000 9,059,000
Income (Loss) From Equity Method Investments Before Amortization 1,150,000 1,171,000 4,429,000 4,530,000
Amortization Of Intangible Assets- TNI 104,000 155,000 313,000 517,000
Equity in earnings of associated companies 1,046,000 1,016,000 4,116,000 4,013,000
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 418,000   418,000  
Finite-Lived Intangible Assets, Amortization Expense, Rolling Year Two 418,000   418,000  
Finite-Lived Intangible Assets, Amortization Expense, Year Three 418,000   418,000  
Finite-Lived Intangible Assets, Amortization Expense, Year Four 418,000   418,000  
Finite-Lived Intangible Assets, Amortization Expense, Year Five 418,000   418,000  
Equity Method Investee- MNI [Member]
        
Schedule of Equity Method Investments [Line Items]        
Equity Method Investment, Summarized Financial Information, Revenue 17,278,000 16,044,000 50,710,000 50,075,000
Equity Method Investment, Summarized Financial Information, Operating Expenses Excluding Depreciation, Amortization And Workforce Adjustments 14,390,000 12,773,000 42,246,000 40,450,000
Equity Method Investment, Summarized Financial Information, Workforce Adjustments 15,000 74,000 244,000 63,000
Equity Method Investment, Summarized Financial Information, Depreciation And Amortization 384,000 383,000 1,179,000 1,147,000
Equity Method Investment, Summarized Financial Information, Operating Income 2,489,000 2,814,000 7,041,000 8,415,000
Equity Method Investment, Summarized Financial Information, Net Income (Loss) 1,579,000 1,754,000 4,464,000 5,249,000
Equity in earnings of associated companies $ 790,000 $ 876,000 $ 2,232,000 $ 2,658,000