text: Change in benefit obligation: 
   Benefit obligation, beginning 
  
  Service cost 
  Interest cost 
  Actuarial (gain) loss 
  Benefits paid 
  
   Benefit obligation, ending 
  
  Change in plan assets: 
   Fair value of plan assets, beginning 
  Actual return on plan assets 
  Benefits paid 
  Contributions made 
  
   Fair value of plan assets, ending 