XML 76 R29.htm IDEA: XBRL DOCUMENT v2.4.0.8
Pension and Other Post-Retirement Plans (Tables)
 6 Months Ended
Jun. 30, 2013
Compensation and Retirement Disclosure [Abstract]  
Combined amount of net periodic benefit cost recognized
The following table sets forth the combined amount of net periodic benefit cost recognized for the three and six months ended June 30, 2013 and 2012:
    
 
 
Three Months Ended
 
Six Months Ended
 
 
June 30,
 
June 30,
 
 
2013
 
2012
 
2013
 
2012
Components of net periodic pension benefit cost:
 
 

 
 

 
 
 
 
Service cost
 
$
639

 
$
568

 
$
1,278

 
$
1,136

Interest cost
 
1,186

 
1,147

 
2,372

 
2,294

Expected return on plan assets
 
(1,409
)
 
(1,227
)
 
(2,818
)
 
(2,454
)
Amortization of actuarial gains
 
261

 
251

 
522

 
502

Amortization of prior service costs
 
(65
)
 
(19
)
 
(130
)
 
(38
)
Net periodic cost
 
$
612

 
$
720

 
$
1,224

 
$
1,440