XML 50 R24.htm IDEA: XBRL DOCUMENT v2.4.0.8
Pension Plans And Other Postretirement Benefit Plans (Tables)
 3 Months Ended
Mar. 31, 2014
Components of Net Periodic Benefit Cost
 
Pension Benefits
 
Other Post-retirement Benefits
 
2014
 
2013
 
2014
 
2013
Three months ended March 31:
 
 
 
 
 
 
 
Service cost
$
5,018

 
$
4,743

 
$
974

 
$
1,032

Interest cost
6,706

 
5,978

 
1,353

 
1,390

Expected return on plan assets
(8,110
)
 
(6,900
)
 
(472
)
 
(400
)
Amortization of prior service cost
6

 
75

 
(43
)
 
(37
)
Net loss recognition
1,157

 
3,547

 
826

 
1,521

Net periodic benefit cost
$
4,777

 
$
7,443

 
$
2,638

 
$
3,506