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Defined Benefit Pension Plans (Tables)
 9 Months Ended
Sep. 30, 2023
Retirement Benefits [Abstract]  
Schedule of Defined Benefit Plans Disclosures

Net periodic cost (benefit) 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 nine months ended September 30, 2023 and 2022 included the following components:

 

 

 

Three Months Ended

 

 

Nine Months Ended

 

(in thousands)

 

September 30,
2023

 

 

September 30,
2022

 

 

September 30,
2023

 

 

September 30,
2022

 

Service cost

 

$

362

 

 

$

315

 

 

$

1,075

 

 

$

1,006

 

Interest cost

 

 

6,069

 

 

 

3,284

 

 

 

17,991

 

 

 

10,079

 

Expected return on assets

 

 

(6,900

)

 

 

(6,250

)

 

 

(20,468

)

 

 

(19,090

)

Amortization of actuarial loss

 

 

3,025

 

 

 

2,501

 

 

 

9,008

 

 

 

7,533

 

Net periodic cost (benefit)

 

$

2,556

 

 

$

(150

)

 

$

7,606

 

 

$

(472

)