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4. Other Assets (Tables)
 12 Months Ended
Dec. 31, 2016
Other Assets, Noncurrent [Abstract]  
Schedule of other assets
   December 31,
2016		   January 2,
2016		 
Deposits  $453   $416 
Other   104    122 
Recycling contract, net   19    20 
Goodwill   38    38 
Total other assets  $614   $596