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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)

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Three months ended

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Nine months ended

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September 30, 

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September 30, 

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2022

    

2023

    

2022

    

2023

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(In thousands)

Interest cost

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$

297

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$

393

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$

891

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$

1,255

Expected return on plan assets

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(392)

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(321)

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(1,176)

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(1,087)

Recognized actuarial losses

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373

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358

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1,119

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1,074

Total

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$

278

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$

430

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$

834

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$

1,242