Note 11 - Share-based Compensation (Details) - Summary of Compensation Expense for All Share-Based Compensation (USD $) In Thousands, unless otherwise specified	Aug. 30, 2014
Note 11 - Share-based Compensation (Details) - Summary of Compensation Expense for All Share-Based Compensation [Line Items]
2015	$ 3,556
2016	2,193
2017	1,227
2018	821
2019	133
Total	7,930
Share Based Awards [Member]
Note 11 - Share-based Compensation (Details) - Summary of Compensation Expense for All Share-Based Compensation [Line Items]
2015	1,859
2016	1,513
2017	1,227
2018	821
2019	133
Total	5,553
Restricted Stock [Member]
Note 11 - Share-based Compensation (Details) - Summary of Compensation Expense for All Share-Based Compensation [Line Items]
2015	1,697
2016	680
Total	$ 2,377