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Defined Benefit Pension Plans (Tables)
3 Months Ended
Mar. 31, 2021
Compensation And Retirement Disclosure [Abstract]  
Schedule of Defined Benefit Plans Disclosures

Net periodic cost related to all of the Company's defined benefit pension plans recognized in the Company's unaudited Condensed Consolidated Statements of Operations for the three months ended March 31, 2021 and 2020 included the following components:

 

 

 

Three Months Ended

 

(in thousands)

 

March 31,

2021

 

 

March 31,

2020

 

Service cost

 

$

303

 

 

$

320

 

Interest cost

 

 

2,818

 

 

 

4,141

 

Expected return on assets

 

 

(6,270

)

 

 

(7,018

)

Amortization of actuarial loss

 

 

2,642

 

 

 

2,620

 

Net periodic (benefit)/cost

 

$

(507

)

 

$

63