XML 51 R17.htm IDEA: XBRL DOCUMENT v2.4.0.6
Employee benefit plans
 3 Months Ended
Mar. 31, 2013
Compensation And Retirement Disclosure [Abstract]  
Employee benefit plans

Note 11—Employee benefit plans:

Defined benefit plans—The components of net periodic defined benefit pension cost (income) are presented in the table below.

 

     Three months ended
March  31,		  
     2012     2013  
     (In thousands)  

Interest cost

    $ 628      $ 572   

Expected return on plan assets

      (914 )      (1,000 ) 

Recognized actuarial losses

      331        309   
  

 

 

    

 

 

  

Total

    $ 45      $ (119 ) 
  

 

 

    

 

 

  

Postretirement benefits—The components of net periodic postretirement benefits other than pension cost are presented in the table below.

 

     Three months ended
March  31,		  
     2012     2013  
     (In thousands)  

Interest cost

    $ 39      $ 26   

Amortization of prior service credit

      (174 )      (171 ) 

Recognized actuarial gain

      (25 )      (37 ) 
  

 

 

    

 

 

  

Total

    $ (160 )    $ (182 ) 
  

 

 

    

 

 

  

Contributions—We currently expect our 2013 contributions to our defined benefit pension plans and other postretirement plans to be approximately $2.2 million.