Quarterly report pursuant to Section 13 or 15(d)

Accumulated Other Comprehensive Income (Reclassification Out Of Accumulated Other Comprehensive Income) (Details)

v3.10.0.1
Accumulated Other Comprehensive Income (Reclassification Out Of Accumulated Other Comprehensive Income) (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Sales $ 55,686 $ 45,774 $ 154,834 $ 118,010
Less: Income tax expense (316) 676 (359) 990
Total reclassificaitons from AOCI     43  
Unrealized Gains (Losses) on Cash Flow Hedges [Member]        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Total reclassificaitons from AOCI     215  
Foreign Currency Translation Adjustments [Member]        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Total reclassificaitons from AOCI     (172)  
Reclassification Out Of Accumulated Other Comprehensive Income [Member]        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Total reclassificaitons from AOCI 105   43  
Reclassification Out Of Accumulated Other Comprehensive Income [Member] | Unrealized Gains (Losses) on Cash Flow Hedges [Member]        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Sales 255 $ (422) (75) $ (36)
Less: Income tax expense 19   (290)  
Total reclassificaitons from AOCI 236   215  
Reclassification Out Of Accumulated Other Comprehensive Income [Member] | Foreign Currency Translation Adjustments [Member]        
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Other, net $ (131)   $ (172)