Note 7 - Net Income Per Share (Tables)

6 Months Ended

Feb. 27, 2016

Notes Tables

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

	Thirteen weeks ended				Twenty-six weeks ended
	February 27, 2016		February 28, 2015		February 27, 2016		February 28, 2015
Net income	$	23,498	$	25,446	$	59,388	$	62,859
Allocation of net income for Basic:
Common Stock	$	18,691	$	20,182	$	47,232	$	49,834
Class B Common Stock		4,704		5,041		11,896		12,472
Unvested participating shares		103		223		260		553
	$	23,498	$	25,446	$	59,388	$	62,859
Weighted average number of shares for Basic:
Common Stock		15,241		15,185		15,230		15,156
Class B Common Stock		4,795		4,741		4,795		4,741
Unvested participating shares		96		192		95		192
		20,132		20,118		20,120		20,089
Earnings per share for Basic:
Common Stock	$	1.23	$	1.33	$	3.10	$	3.29
Class B Common Stock	$	0.98	$	1.06	$	2.48	$	2.63

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

	Thirteen weeks ended February 27, 2016							Twenty-six weeks ended February 27, 2016
	Earnings to Common Shareholders			Common Shares		EPS		Earnings to Common Shareholders			Common Shares		EPS
As reported - Basic	$	18,691			15,241	$	1.23	$	47,232			15,230	$	3.10
Add: effect of dilutive potential common shares
Share-based awards		—			102				—			102
Class B Common Stock		4,704			4,795				11,896			4,795
Add: Undistributed earnings allocated to unvested participating shares		100			—				253			—
Less: Undistributed earnings reallocated to unvested participating shares		(94	)		—				(240	)		—
Diluted EPS – Common Stock	$	23,401			20,138	$	1.16	$	59,141			20,127	$	2.94

	Thirteen weeks ended February 28, 2015							Twenty-six weeks ended February 28, 2015
	Earnings to Common Shareholders			Common Shares		EPS		Earnings to Common Shareholders			Common Shares		EPS
As reported - Basic	$	20,182			15,185	$	1.33	$	49,834			15,156	$	3.29
Add: effect of dilutive potential common shares
Share-based awards		—			139				—			131
Class B Common Stock		5,041			4,741				12,472			4,741
Add: Undistributed earnings allocated to unvested participating shares		217			—				540			—
Less: Undistributed earnings reallocated to unvested participating shares		(205	)		—				(511	)		—
Diluted EPS – Common Stock	$	25,235			20,065	$	1.26	$	62,335			20,028	$	3.11