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Defined Benefit Pension Plans (Tables)
6 Months Ended
Jun. 30, 2020
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 and six months ended June 30, 2020 and 2019 included the following components:

 

 

Three Months Ended

 

 

Six Months Ended

 

(in thousands)

 

June 30,

2020

 

 

June 30,

2019

 

 

June 30,

2020

 

 

June 30,

2019

 

Service cost

 

$

311

 

 

$

356

 

 

$

631

 

 

$

672

 

Interest cost

 

 

4,097

 

 

 

5,614

 

 

 

8,238

 

 

 

11,198

 

Expected return on assets

 

 

(6,945

)

 

 

(7,372

)

 

 

(13,963

)

 

 

(14,843

)

Amortization of actuarial loss

 

 

2,614

 

 

 

2,662

 

 

 

5,234

 

 

 

5,384

 

Net periodic cost

 

$

77

 

 

$

1,260

 

 

$

140

 

 

$

2,411