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Contingencies (Tables)
9 Months Ended
Sep. 30, 2018
Loss Contingency [Abstract]  
Schedule Of Product Warranties Accrual
Claims accrued but not yet paid and the related activity within the accrual for the nine months ended September 30, 2018, are presented below: 
 
(Dollars in thousands)
Balance as of December 31, 2017
$
349

Product warranty accruals and adjustments
808

Settlements
(159
)
Balance as of September 30, 2018
$
998