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Employee benefit plans (Tables)
3 Months Ended
Mar. 31, 2023
Employee benefit plans  
Summary of the components of net periodic benefit income

Three Months Ended

March 31, 

    

2023

    

2022

Interest cost

$

5

$

4

Expected return on plan assets

(6)

(7)

Expenses paid

1

1

Net periodic benefit credit

$

$

(2)