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Contingencies (Tables)
3 Months Ended
Mar. 31, 2017
Loss Contingency [Abstract]  
Schedule Of Product Warranties Accrual
Claims accrued but not yet paid and the related activity within the accrual for the three months ended March 31, 2017, are presented below: 
 
(Dollars in thousands)
Balance as of December 31, 2016
$
969

Accruals and Payments
(394
)
Balance as of March 31, 2017
$
575