Note 11 - Share-based Compensation (Tables)

12 Months Ended

Aug. 30, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Compensation Expense For All Share-Based Compensation For Five Fiscal Years [Table Text Block]

	Share-Based Awards		Restricted Stock		Total
2015	$	1,859	$	1,697	$	3,556
2016		1,513		680		2,193
2017		1,227		—		1,227
2018		821		—		821
2019		133		—		133
Total	$	5,553	$	2,377	$	7,930

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

	Number of Shares			Weighted Average Exercise Price
Outstanding, August 31, 2013		584,540		$	48.47
Granted		129,200			103.16
Exercised		(89,638	)		34.26
Forfeited		(5,500	)		58.53
Outstanding, August 30, 2014		618,602		$	61.86
Exercisable, August 30, 2014		85,902		$	47.36