Note 6. Net Income Per Share (Tables)

6 Months Ended

Feb. 23, 2013

Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table Text Block]

	Thirteen weeks ended				Twenty-six weeks ended
	February 23, 2013		February 25, 2012		February 23, 2013		February 25, 2012
Net income	$	26,642	$	19,196	$	57,402	$	44,998
Allocation of net income for Basic:
Common Stock	$	20,963	$	15,081	$	45,155	$	35,341
Class B Common Stock		5,209		3,765		11,233		8,832
Unvested participating shares		470		350		1,014		825
	$	26,642	$	19,196	$	57,402	$	44,998
Weighted average number of shares for Basic:
Common Stock		14,962		14,873		14,943		14,856
Class B Common Stock		4,647		4,640		4,647		4,640
Unvested participating shares		383		394		383		396
		19,992		19,907		19,973		19,892
Earnings per share for Basic:
Common Stock	$	1.40	$	1.01	$	3.02	$	2.38
Class B Common Stock	$	1.12	$	0.81	$	2.42	$	1.90

Schedule of Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Table Text Block]

	Thirteen weeks ended February 23, 2013							Twenty-six weeks ended February 23, 2013
	Earnings to Common Shareholders			Common Shares		EPS		Earnings to Common Shareholders			Common Shares		EPS
As reported - Basic	$	20,963			14,962	$	1.40	$	45,155			14,943	$	3.02
Add: effect of dilutive potential common shares
Share-based awards		—			138				—			124
Class B Common Stock		5,209			4,647				11,233			4,647
Add: Undistributed earnings allocated to unvested participating shares		457			—				989			—
Less: Undistributed earnings reallocated to unvested participating shares		(433	)		—				(937	)		—
Diluted EPS – Common Stock	$	26,196			19,747	$	1.33	$	56,440			19,714	$	2.86

	Thirteen weeks ended February 25, 2012							Twenty-six weeks ended February 25, 2012
	Earnings to Common Shareholders			Common Shares		EPS		Earnings to Common Shareholders			Common Shares		EPS
As reported - Basic	$	15,081			14,873	$	1.01	$	35,341			14,856	$	2.38
Add: effect of dilutive potential common shares
Share-based awards		—			92				—			79
Class B Common Stock		3,765			4,640				8,832			4,640
Add: Undistributed earnings allocated to unvested participating shares		337			—				799			—
Less: Undistributed earnings reallocated to unvested participating shares		(320	)		—				(759	)		—
Diluted EPS – Common Stock	$	18,863			19,605	$	0.96	$	44,213			19,575	$	2.26