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Retirement Plans (Tables)
 6 Months Ended
Jun. 29, 2019
Retirement Benefits [Abstract]  
Schedule of Components of Net Periodic Benefit (Credit) Costs for Pensions and Other Postretirement Benefits
The components of net periodic pension benefit (credits) costs for Company sponsored defined benefit plans were as follows:
 
13 Weeks Ended
 
26 Weeks Ended
 
June 29, 2019
 
June 30, 2018
 
June 29, 2019
 
June 30, 2018
Components of net periodic pension benefit (credits) costs
 
 
 
 
 
 
 
Service cost
$
—

 
$
—

 
$
1

 
$
1

Interest cost
9

 
9

 
18

 
18

Expected return on plan assets
(12
)
 
(13
)
 
(24
)
 
(26
)
Amortization of net loss
1

 
1

 
2

 
2

Net periodic pension benefit credits
$
(2
)
 
$
(3
)
 
$
(3
)
 
$
(5
)