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Retirement Plans (Tables)
 9 Months Ended
Sep. 28, 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 costs (credits) for Company sponsored defined benefit plans were as follows:
 
13 Weeks Ended
 
39 Weeks Ended
 
September 28, 2019
 
September 29, 2018
 
September 28, 2019
 
September 29, 2018
Components of net periodic pension benefit costs (credits)
 
 
 
 
 
 
 
Service cost
$
1

 
$
1

 
$
2

 
$
2

Interest cost
10

 
10

 
28

 
28

Expected return on plan assets
(13
)
 
(13
)
 
(37
)
 
(39
)
Amortization of net loss
1

 
—

 
3

 
2

Settlements
3

 
—

 
3

 
—

Net periodic pension benefit costs (credits)
$
2

 
$
(2
)
 
$
(1
)
 
$
(7
)