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Employee Benefit Plans
 6 Months Ended
May 24, 2020
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 24,
2020
 
May 26,
2019
 
May 24,
2020
 
May 26,
2019
 
(Dollars in thousands)
Net periodic benefit cost:
 
 
 
 
 
 
 
Pension benefits
$
1,652

 
$
4,016

 
$
3,356

 
$
7,993

Postretirement benefits
510

 
893

 
1,019

 
1,786

Net periodic benefit cost
$
2,162

 
$
4,909

 
$
4,375

 
$
9,779



For the three and six months ended May 24, 2020, total pension plan contributions were $4.0 million and $14.5 million, respectively.