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Revenue Recognition (Tables)
9 Months Ended
Sep. 29, 2018
Revenue Recognition [Abstract]  
Schedule Of Contract Liabilities From Contract With Customers



 

 

 



 

Nine Months Ended

 



 

September 29,

 



 

2018

 



 

 

 

Contract liabilities at beginning of period

 

$                  14,417

 

Increase due to deferral of revenue

 

17,601 

 

Decreases due to recognition of revenue

 

(14,141)

 



 

 

 

Contract liabilities at end of period

 

$                  17,877