text: The following table provides information for pension plans with projected benefit obligations and accumulated benefit obligations in 
  excess of plan assets: 
  
  Pension Benefits 
  
  **2012** 2011 
  
  **$**
  **47,151**$  53,490 
  
  **47,151** 43,528 
  
  **6,439** 6,056 
  
  The net periodic costs are as follows: 
  
  Pension Benefits  Retiree Health Care Benefits 
  
  Year Ended June 30,  **2012--** 2011--  2010--  **2012--** 2011--  2010-- 
  
  Service cost  **$**
  **289**$  460 $  574**$** **30**$  39 $  52 
  
  Interest cost 
  **2,047** 2,232  2,911  **237** 235  259 
  
  —  —  — 
  Expected return on plan assets  **(396 )** (385 )  (351 ) 
  
  Recognized net actuarial loss (gain) 
  **644** 1,449  924 
  **(72 )** (83 )  (87 ) 
  
  Amortization of prior service cost 
  **412** 710  797  **139** 139  148 
  
  —  —  ——  —  — 
  Recognition of prior service cost upon plan curtailment 
  **3,117**
  
  Net periodic cost  **$**
  **6,113**$  4,466 $  4,855**$** **334**$  330 $  372 