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Earnings Per Common Share (Tables) | 12 Months Ended
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Sep. 29, 2012
Earnings Per Common Share [Abstract] |
Reconciliation of numerators and denominators of basic and diluted earnings per share for current and prior periods |
|  | Year Ended September 29, 2012 |
|  | Class A |  |  | Class B |
Numerator: Allocated net income |  |  |  |  |  |  |  |
Net income allocated, basic |  | $ | 24,151,777 |  |  | $ | 19,292,566 |
Conversion of Class B to Class A shares |  |  | 19,292,566 |  |  |  | — |
Net income allocated, diluted |  | $ | 43,444,343 |  |  | $ | 19,292,566 |
Denominator: Weighted average shares outstanding |  |  |  |  |  |  |  |
Weighted average shares outstanding, basic |  |  | 12,936,583 |  |  |  | 11,364,899 |
Conversion of Class B to Class A shares |  |  | 11,364,899 |  |  |  | — |
Weighted average shares outstanding, diluted |  |  | 24,301,482 |  |  |  | 11,364,899 |
Earnings per share |  |  |  |  |  |  |  |
Basic |  | $ | 1.87 |  |  | $ | 1.70 |
Diluted |  | $ | 1.79 |  |  | $ | 1.70 |
|  | Year Ended September 24, 2011 |  |  | Year Ended September 25, 2010 |
|  | Class A |  |  | Class B |  |  | Class A |  |  | Class B |
Numerator: Allocated net income |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income allocated, basic |  | $ | 21,540,808 |  |  | $ | 17,518,702 |  |  | $ | 16,961,816 |  |  | $ | 13,880,373 |
Conversion of Class B to Class A shares |  |  | 17,518,702 |  |  |  | — |  |  |  | 13,880,373 |  |  |  | — |
Net income allocated, diluted |  | $ | 39,059,510 |  |  | $ | 17,518,702 |  |  | $ | 30,842,189 |  |  | $ | 13,880,373 |
Denominator: Weighted average shares outstanding |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average shares outstanding, basic |  |  | 12,905,408 |  |  |  | 11,542,049 |  |  |  | 12,888,828 |  |  |  | 11,601,562 |
Conversion of Class B to Class A shares |  |  | 11,542,049 |  |  |  | — |  |  |  | 11,601,562 |  |  |  | — |
Weighted average shares outstanding, diluted |  |  | 24,447,457 |  |  |  | 11,542,049 |  |  |  | 24,490,390 |  |  |  | 11,601,562 |
Earnings per share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 1.67 |  |  | $ | 1.52 |  |  | $ | 1.32 |  |  | $ | 1.20 |
Diluted |  | $ | 1.60 |  |  | $ | 1.52 |  |  | $ | 1.26 |  |  | $ | 1.20 |

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- Definition Tabular disclosure of the numerators and the denominators of the basic and diluted per-share (or per-unit) computations for income from continuing operations, including the effect that has been given to preferred dividends. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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