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Retirement Plans (Table)
6 Months Ended
Jun. 30, 2015
Compensation and Retirement Disclosure [Abstract]  
Schedule of Components Of Net Periodic Benefit Cost
 
 
Retirement Income Plan
Quarter ended June 30,
 
Retirement Life Plan
Quarter ended June 30,
($ in thousands)
 
2015
 
2014
 
2015
 
2014
Components of Net Periodic Benefit Cost:
 
 

 
 

 
 

 
 

 
 
 
 
 
 
 
 
 
Net Periodic Benefit Cost:
 
 
 
 
 
 
 
 
Service cost
 
$
1,963

 
1,626

 

 

Interest cost
 
3,501

 
3,253

 
63

 
73

Expected return on plan assets
 
(3,990
)
 
(3,918
)
 

 

Amortization of unrecognized net actuarial loss
 
1,695

 
368

 
14

 
13

Total net periodic cost
 
$
3,169

 
1,329

 
77

 
86



 
 
Retirement Income Plan
Six Months ended June 30,
 
Retirement Life Plan
Six Months ended June 30,
($ in thousands)
 
2015
 
2014
 
2015
 
2014
Components of Net Periodic Benefit Cost:
 
 

 
 

 
 

 
 

 
 
 
 
 
 
 
 
 
Net Periodic Benefit Cost:
 
 
 
 
 
 
 
 
Service cost
 
$
3,927

 
3,253

 

 

Interest cost
 
7,003

 
6,507

 
126

 
146

Expected return on plan assets
 
(7,981
)
 
(7,837
)
 

 

Amortization of unrecognized net actuarial loss
 
3,390

 
735

 
28

 
26

Total net periodic cost
 
$
6,339

 
2,658

 
154

 
172

Schedule Of Weighted-Average Expense Assumptions
 
 
Retirement Income Plan
Six Months ended June 30,
 
Retirement Life Plan
Six Months ended June 30,
 
 
2015
 
2014
 
2015
 
2014
Weighted-Average Expense Assumptions:
 
 
 
 
 
 
 
 
Discount rate
 
4.29
%
 
5.16
 
4.08
%
 
4.85
Expected return on plan assets
 
6.27

 
6.92
 

 
Rate of compensation increase
 
4.00

 
4.00