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Retirement Agreements And Other Postretirement Benefits (Tables)
9 Months Ended
Sep. 30, 2013
Compensation and Retirement Disclosure [Abstract]  
Components Of Net Periodic Benefits Cost
The following sets forth the net periodic benefits cost for the executive benefits for the periods ended September 30, 2013 and 2012:
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
 
2013
 
2012
 
2013
 
2012
Service cost – benefits earned during the year
$
3,946

 
$
3,155

 
$
11,837

 
$
9,463

Interest cost on the projected benefit obligation
7,103

 
6,966

 
21,309

 
20,900

(Accretion) amortization of unrecognized prior service cost
(380
)
 
2,349

 
(1,139
)
 
7,047

Amortization of unrecognized losses
1,573

 
171

 
4,720

 
511

Net periodic benefits costs
$
12,242

 
$
12,641

 
$
36,727

 
$
37,921