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Retirement Benefits (Tables)
12 Months Ended
Dec. 29, 2018
Retirement Benefits [Abstract]  
Schedule of Costs of Retirement Plans
The following table reconciles the annual contribution (in thousands):
 
2018

 
2017

 
2016

Stock contribution
$
7,174

 
$
7,327

 
$
7,170

Cash contribution
21,413

 
23,834

 
25,349

Total annual contribution
$
28,587

 
$
31,161

 
$
32,519