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Other Assets (Tables)
 12 Months Ended
Dec. 31, 2016
Other Assets [Abstract]  
Schedule of Other Assets
Other assets consisted of the following amounts: 
 
December 31,
(DOLLARS IN THOUSANDS)
2016
 
2015
Overfunded pension plans
$
4,343

 
$
4,906

Cash surrender value of life insurance contracts
43,425

 
41,957

Other
79,944

 
71,528

Total
$
127,712

 
$
118,391