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Contingencies (Tables)
3 Months Ended
Mar. 31, 2021
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, 2021, are presented below: 
(Dollars in thousands)
Balance as of December 31, 2020$1,997 
Product warranty accruals and adjustments164 
Settlements(497)
Balance as of March 31, 2021$1,664