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Note 8 - Inventories (Details) - Components of Inventory (USD $)
In Thousands, unless otherwise specified
Feb. 28, 2015
Aug. 30, 2014
Components of Inventory [Abstract]    
Raw materials $ 20,671us-gaap_InventoryRawMaterialsNetOfReserves $ 19,053us-gaap_InventoryRawMaterialsNetOfReserves
Work in process 3,019us-gaap_InventoryWorkInProcessNetOfReserves 3,759us-gaap_InventoryWorkInProcessNetOfReserves
Finished goods 61,127us-gaap_InventoryFinishedGoodsNetOfReserves 56,046us-gaap_InventoryFinishedGoodsNetOfReserves
Total inventories $ 84,817us-gaap_InventoryNet $ 78,858us-gaap_InventoryNet [1]
[1] Derived from audited financial statements