Investments in Associated Companies Summarized Financial Information (Details) (USD $)	3 Months Ended		9 Months Ended
	Jun. 30, 2013	Jun. 24, 2012	Jun. 30, 2013	Jun. 24, 2012
Schedule of Equity Method Investments [Line Items]
Equity in earnings of associated companies	$ 1,893,000	$ 1,762,000	$ 6,671,000	$ 6,003,000
Equity Method Investee- TNI [Member]
Schedule of Equity Method Investments [Line Items]
Share of TNI Operating Expenses	(173,000,000)	(128,000,000)	(449,000,000)	(440,000,000)
Equity Method Investment, Summarized Financial Information, Revenue	14,644,000	14,155,000	48,110,000	45,878,000
Equity Method Investment, Summarized Financial Information, Operating Expenses Excluding Depreciation, Amortization And Workforce Adjustments	12,300,000	11,986,000	39,051,000	37,926,000
Equity Method Investment, Summarized Financial Information, Workforce Adjustments	0	33,000	0	(31,000)
Equity Method Investment, Summarized Financial Information, Operating Income	2,344,000	2,136,000	9,059,000	7,983,000
Income (Loss) From Equity Method Investments Before Amortization	1,172,000	1,068,000	4,530,000	3,992,000
Amortization Of Intangible Assets- TNI	155,000	181,000	517,000	542,000
Equity in earnings of associated companies	1,017,000	887,000	4,013,000	3,450,000
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	16,046,000	17,215,000	50,084,000	52,845,000
Equity Method Investment, Summarized Financial Information, Operating Expenses Excluding Depreciation, Amortization And Workforce Adjustments	12,773,000	13,993,000	40,450,000	43,440,000
Equity Method Investment, Summarized Financial Information, Workforce Adjustments	74,000	(6,000)	63,000	22,000
Equity Method Investment, Summarized Financial Information, Depreciation And Amortization	383,000	424,000	1,147,000	1,271,000
Equity Method Investment, Summarized Financial Information, Operating Income	2,816,000	2,804,000	8,424,000	8,112,000
Equity Method Investment, Summarized Financial Information, Net Income (Loss)	1,754,000	1,748,000	5,249,000	5,106,000
Equity in earnings of associated companies	$ 876,000	$ 874,000	$ 2,658,000	$ 2,553,000