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Note 7 - Redeemable Non-controlling Interest - Redeemable Non-controlling Interests (Details) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Sep. 02, 2017
Dec. 03, 2016
Balance at beginning of period $ 4,277  
Net income attributed to redeemable non-controlling interest 39 $ 239
Purchase of redeemable non-controlling interest (4,468)  
Foreign currency translation adjustment 152  
Balance at end of period $ 4,277