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Commitments And Contingencies (Tables)
 9 Months Ended
Sep. 27, 2020
Commitments and Contingencies Disclosure [Abstract]  
Schedule Of Changes In Carrying Amount Of Warranty Liabilities
The changes in the carrying amount of warranty liabilities for the nine-month periods ended September 27, 2020, and September 29, 2019, were as follows:
Nine Months Ended
September 27, 2020
 
September 29, 2019
Beginning balance
$
619

 
$
480

Warranty expense
72

 
84

Payments
(72
)
 
(62
)
Adjustments
39

 
(14
)
Ending balance
$
658

 
$
488