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Employee Benefit Plans
6 Months Ended
May 27, 2018
Retirement Benefits [Abstract]  
EMPLOYEE BENEFIT PLANS
EMPLOYEE BENEFIT PLANS
The following table summarizes the total net periodic benefit cost for the Company's defined pension plans and postretirement benefit plans:
 
Three Months Ended
 
Six Months Ended
 
May 27,
2018
 
May 28,
2017
 
May 27,
2018
 
May 28,
2017
 
(Dollars in thousands)
Net periodic benefit cost:
 
 
 
 
 
 
 
Pension Benefits
$
766

 
$
3,070

 
$
1,615

 
$
5,962

Postretirement Benefits
926

 
1,147

 
1,852

 
2,295

Net periodic benefit cost
$
1,692

 
$
4,217

 
$
3,467

 
$
8,257


The Company has increased the estimated contributions to its pension plans in 2018 from $94.7 million to $124 million.