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Employee benefit plans (Tables)
9 Months Ended
Sep. 30, 2023
Employee benefit plans  
Schedule of Net Periodic Defined Benefit Cost (Income)

Three months ended

Nine months ended

September 30, 

September 30, 

    

2022

    

2023

    

2022

    

2023

(In thousands)

Interest cost

$

297

$

393

$

891

$

1,255

Expected return on plan assets

(392)

(321)

(1,176)

(1,087)

Recognized actuarial losses

 

373

 

358

 

1,119

 

1,074

Total

$

278

$

430

$

834

$

1,242