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Employee Benefit Plans
 6 Months Ended
Jun. 30, 2020
Retirement Benefits [Abstract]  
Employee Benefit Plans Employee Benefit Plans
Net periodic benefit income from the Company's pension plans included the following components for the three months ended June 30:
Pension Benefits
20202019
Service cost$2,925  $2,379  
Interest cost20,865  24,335  
Expected return on plan assets(38,410) (38,507) 
Amortization of prior service credit173  (17) 
Amortization of actuarial loss11,088  7,746  
Net periodic benefit income$(3,359) $(4,064) 
Net periodic benefit income from the Company's pension plans included the following components for the six months ended June 30:
 Pension Benefits
 20202019
Service cost
$5,907  $4,769  
Interest cost
41,790  48,683  
Expected return on plan assets
(76,933) (77,034) 
Amortization of prior service credit
346  (34) 
Amortization of actuarial loss
22,210  15,495  
Net periodic benefit income
$(6,680) $(8,121) 
Service cost is recorded in selling, administrative and other expenses in the condensed consolidated statements of income while all other components are recorded within other non-operating (income) expenses. Pension benefits also include amounts related to supplemental retirement plans.