XML 55 R32.htm IDEA: XBRL DOCUMENT v3.19.3
Note 2 - Interim Financial Presentation (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Aug. 31, 2019
Aug. 25, 2018
Aug. 31, 2019
Aug. 25, 2018
Nov. 30, 2019
Nov. 24, 2018
Nov. 25, 2017
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent 30.50% 23.10% 28.40% 40.80%   22.20% 35.00%
Tax Cuts and Jobs Act of 2017 Provisional Adjustment of Deferred Tax Asset Liability       $ 2,032      
Effective Income Tax Rate Reconciliation, Share-based Compensation, Excess Tax Benefit, Amount   $ 26   223      
Proceeds from Life Insurance Policy       $ 266      
Forecast [Member]              
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent         21.00%