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Retirement Plans (Table)
3 Months Ended
Mar. 31, 2012
Retirement Plans [Abstract]  
Retirement Income Plan and Retirement Life Plan
                 

 

 

Retirement Income Plan

 

Retirement Life Plan

 

 

Quarter ended March 31,

 

Quarter ended March 31,

($ in thousands)

 

2012

 

2011

 

2012

 

2011

Components of Net Periodic Benefit Cost:

 

 

 

 

 

 

 

 

    Service cost

$

2,154 

 

2,173 

 

-

 

-

    Interest cost

 

3,230 

 

3,155 

 

74

 

77

    Expected return on plan assets

 

(3,547)

 

(3,482)

 

-

 

-

    Amortization of unrecognized prior service cost

 

38

 

 37 

 

-

 

-

    Amortization of unrecognized net loss

 

1,383

 

1,101 

 

7

 

4

    Net periodic cost

$

3,258

 

2,984 

 

81

 

81

 

 

 

 

 

 

 

 

 

Weighted-Average Expense Assumptions

Weighted-Average Expense Assumptions

 

 

 

 

 

 

 

 

for the years ended December 31:

 

 

 

 

 

 

 

 

    Discount rate

 

5.16

%

5.55

 

5.16

%

5.55

    Expected return on plan assets

 

7.75

%

8.00

 

-

%

-

    Rate of compensation increase

 

4.00

%

4.00

 

-

%

-