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Supplementary Balance Sheet Information (Schedule Of Other Long-Term Liabilities) (Details) (USD $) | Sep. 28, 2013 | Sep. 29, 2012
--- | --- | ---
Supplementary Balance Sheet Information [Line Items] |  |
Advance payments on purchases contracts | $ 2,054,112 | $ 1,786,938
Deferred gain - sale/leasebacks | 420,166 | 470,558
Deferred lease expense | 1,900,084 | 1,833,259
Nonqualified investment plan liability | 7,211,523 | 5,671,265
Self-insurance liabilities | 16,500,000 |
Other | 1,047,281 | 655,848
Total other long-term liabilities | 29,160,880 | 10,417,868
Less current portion | 1,342,663 | 1,234,715
Other long-term liabilities, net of current portion | 27,818,217 | 9,183,153
Workers Compensation Insurance [Member] |  |
Supplementary Balance Sheet Information [Line Items] |  |
Self-insurance liabilities | 13,066,779 |
General Liability [Member] |  |
Supplementary Balance Sheet Information [Line Items] |  |
Self-insurance liabilities | $ 3,460,935 |

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