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Components of Net Periodic Benefit Cost (Tables)
6 Months Ended
Jun. 30, 2012
Components of Net Periodic Benefit Cost  
Schedule of net periodic benefit costs for pension benefits

 

 

 

 

Three Months

 

Six Months

 

 

 

Ended June 30,

 

Ended June 30,

 

 

 

2012

 

2011

 

2012

 

2011

 

 

 

(in thousands)

 

 

 

 

 

 

 

 

 

 

 

Service cost

 

$

 

$

 

$

 

$

18

 

Interest cost

 

798

 

835

 

1,596

 

1,670

 

Expected return on plan assets

 

(717

)

(757

)

(1,434

)

(1,513

)

Amortization of prior service cost

 

 

2

 

 

8

 

Amortization of transition liability

 

 

3

 

 

11

 

Recognized actuarial loss

 

185

 

202

 

370

 

404

 

 

 

 

 

 

 

 

 

 

 

Net expense

 

$

266

 

$

285

 

$

532

 

$

598