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Earnings Per Common Share (Tables)

12 Months Ended

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