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Retirement and Pension Plans (Tables)
6 Months Ended
Jun. 30, 2020
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,
2020201920202019
(In thousands)
Defined benefit plans:
Service cost$1,929  $1,702  $3,879  $3,415  
Interest cost5,600  6,740  11,236  13,502  
Expected return on plan assets(13,558) (13,085) (27,208) (26,211) 
Amortization of net actuarial loss and other3,931  4,649  7,907  7,936  
Pension (income) expense(2,098)  (4,186) (1,358) 
Other plans:
Defined contribution plans6,882  8,154  16,907  17,262  
Foreign plans and other1,832  1,543  3,873  3,105  
Total other plans8,714  9,697  20,780  20,367  
Total net pension expense$6,616  $9,703  $16,594  $19,009