XML 52 R13.htm IDEA: XBRL DOCUMENT v3.20.1
Employee Benefit Plans
3 Months Ended
Mar. 31, 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 March 31:
 Pension Benefits
 20202019
Service cost
$2,982  $2,390  
Interest cost
20,925  24,348  
Expected return on plan assets
(38,523) (38,527) 
Amortization of prior service credit
173  (17) 
Amortization of actuarial loss
11,122  7,749  
Net periodic benefit income
$(3,321) $(4,057) 
Service cost is recorded in selling, administrative and other expenses in the condensed consolidated statements of income and comprehensive income while all other components are recorded within other non-operating (income) expenses. Pension benefits also include amounts related to supplemental retirement plans.