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Note 8 - Post Employment Benefit Obligations (Details) - Components of Net Periodic Pension Costs (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Aug. 30, 2014
Aug. 31, 2013
Aug. 30, 2014
Aug. 31, 2013
Components of Net Periodic Pension Costs [Abstract]        
Service cost $ 20 $ 18 $ 59 $ 53
Interest cost 93 87 279 262
Amortization of transition obligation 10 11 32 32
Amortization of loss 31 20 92 61
Net periodic pension cost $ 154 $ 136 $ 462 $ 408