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Employee benefit plans (Tables)
9 Months Ended
Sep. 30, 2022
Employee benefit plans  
Components of Net Periodic Defined Benefit Cost (Income)

Three months ended

Nine months ended

September 30, 

September 30, 

    

2021

    

2022

    

2021

    

2022

(In thousands)

Interest cost

$

279

$

297

$

711

$

891

Expected return on plan assets

(398)

(392)

(1,194)

(1,176)

Recognized actuarial losses

 

376

 

373

 

1,128

 

1,119

Total

$

257

$

278

$

645

$

834