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Accumulated Other Comprehensive Income (Reclassification Out Of Accumulated Other Comprehensive Income) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Sales $ (35,079) $ (34,422) $ (85,342) $ (78,854)
Less: Income tax expense (2,523) $ (1,911) (2,729) $ (3,433)
Amount reclassified, net of tax     1,758  
Reclassification Out Of Accumulated Other Comprehensive Income [Member]        
Sales 1,058   2,764  
Less: Income tax expense 385   1,006  
Amount reclassified, net of tax $ 673   $ 1,758