XML 35 R21.htm IDEA: XBRL DOCUMENT v2.4.0.6
Employee Benefit Plans
3 Months Ended
Dec. 31, 2011
Compensation and Retirement Disclosure [Abstract]  
14. Employee Benefit Plans
14. Employee Benefit Plans
 
The components of the net periodic benefit costs with respect to postretirement benefits were as follows:
 
   
Quarter Ended December 31,
 
   
2011
  
2010
 
   
(Unaudited)
 
   
(In thousands)
 
Service cost for benefits earned during the period
 $129  $116 
Interest cost on accumulated postretirement benefit
  142   142 
Other components
  (4)  (10)
Net periodic postretirement benefit cost
 $267  $248 
 
 
Nine Months Ended December 31,
 
   
2011
  
2010
 
   
(Unaudited)
 
   
(In thousands)
 
Service cost for benefits earned during the period
 $386  $346 
Interest cost on accumulated postretirement benefit
  426   426 
Other components
  (12)  (29)
Net periodic postretirement benefit cost
 $800  $743