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Assets Held for Sale (Tables)
9 Months Ended
Sep. 28, 2019
Discontinued Operations and Disposal Groups [Abstract]  
Assets held for sale The change in assets held for sale for the 39 weeks ended September 28, 2019 was as follows:
Balance as of December 29, 2018
 
$
7

Assets sold
 
(6
)
Balance as of September 28, 2019
 
$
1