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Note 6 - Special Charges (Details) - USD ($)
$ in Thousands
3 Months Ended
Feb. 27, 2016
Feb. 28, 2015
Business Integration Project [Member]    
Acquisition and transformation related costs $ 105 $ 472
Workforce reduction costs (1)  
Workforce reduction costs   56
Facility exit costs 273 1,529
Other related costs 36 304
Special charges, net 413 2,361
Special charges, net $ 413 $ 2,361