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Retirement and Pension Plans (Tables)
6 Months Ended
Jun. 30, 2023
Retirement Benefits [Abstract]  
Components of Net Periodic Pension Benefit Expense (Income)
The components of net periodic pension benefit expense (income) were as follows:
Three Months Ended
June 30,
Six Months Ended
June 30,
2023202220232022
(In thousands)
Defined benefit plans:
Service cost$749 $1,331 $1,489 $2,705 
Interest cost7,566 5,032 15,067 10,152 
Expected return on plan assets(13,071)(15,033)(26,067)(30,301)
Amortization of net actuarial loss and other2,842 2,123 5,663 4,297 
Pension income(1,914)(6,547)(3,848)(13,147)
Other plans:
Defined contribution plans10,512 9,811 24,028 23,072 
Foreign plans and other1,999 2,077 4,570 4,395 
Total other plans12,511 11,888 28,598 27,467 
Total net pension expense$10,597 $5,341 $24,750 $14,320