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Note 14 - Capital Stock and Stock Compensation (Details) - Compensation Expense Related to Restricted Stock and Stock Options Included in Selling, General and Administrative Expenses (Selling, General and Administrative Expenses [Member], USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Nov. 29, 2014
Nov. 30, 2013
Nov. 24, 2012
Selling, General and Administrative Expenses [Member]
      
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]      
$ 951us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember		 $ 728us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember		 $ 636us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember