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EMPLOYEE BENEFIT PLANS (Tables)
3 Months Ended
Mar. 31, 2013
EMPLOYEE BENEFIT PLANS  
Components of the net periodic benefit cost of PLC's defined benefit pension plan and unfunded excess benefit plan

 

 

For The Three Months Ended March 31,

 

 

 

2013

 

2012

 

 

 

(Dollars In Thousands)

 

Service cost — benefits earned during the period

 

$

2,708

 

$

2,561

 

Interest cost on projected benefit obligation

 

2,553

 

2,604

 

Expected return on plan assets

 

(2,759

)

(2,673

)

Amortization of prior service cost/(credit)

 

(95

)

(95

)

Amortization of actuarial losses

 

2,729

 

2,175

 

Total benefit cost

 

$

5,136

 

$

4,572