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Pension Plan (Tables)
9 Months Ended
Sep. 30, 2012
Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]  
Components Of Net Periodic Benefit Expense
The following table shows the components of net periodic benefit expense:
 
 
 
Three Months Ended
September 30,
Nine Months Ended
September 30,
(In thousands)
 
2012
 
2011
2012
 
2011
Service cost
 
$
1,068

 
$
1,139

$
3,204

 
$
3,417

Interest cost
 
1,012

 
992

3,036

 
2,976

Expected return on plan assets
 
(2,186
)
 
(1,885
)
(6,558
)
 
(5,657
)
Amortization of prior service cost
 
5

 
5

15

 
15

Recognized net actuarial loss
 
427

 
352

1,281

 
1,057

Benefit expense
 
$
326

 
$
603

$
978

 
$
1,808