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Note 11 - Impairment Charges and Accrued Lease Exit Costs (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
May 28, 2016
May 30, 2015
May 28, 2016
May 30, 2015
Leasehold Improvements [Member]        
Gain (Loss) on Contract Termination       $ 419
Asset Impairment Charges       106
Employee Severance [Member]        
Restructuring Charges       449
Income from Continued Dumping and Subsidy Offset Act $ 1,066 1,066
Gain (Loss) on Contract Termination (419)
Asset Impairment Charges 106
Restructuring Charges $ 449 $ 449