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Accumulated Other Comprehensive Income (Tables)
 6 Months Ended
Jun. 30, 2018
Accumulated Other Comprehensive Income [Abstract]  
Summary Of Accumulated Other Comprehensive Income



 

 

 

 

 

 

 

 

 

 

 

(Dollars in thousands)

Foreign Currency Items

 

Unrealized Gain (Losses) on Available-for-Sale Investments

 

Accrued Pension Service Costs

 

Total

Balance at January 1, 2018

$

 23,575 

 

$

 8 

 

$

 (2,592)

 

$

 20,991 

Net current-period other comprehensive (loss) income

 

 (8,761)

 

 

 (2)

 

 

 104 

 

 

 (8,659)

Balance at June 30, 2018

$

 14,814 

 

$

 6 

 

$

 (2,488)

 

$

 12,332