Quarterly report pursuant to Section 13 or 15(d)

Segment Information (Schedule Of Segment Information) (Details)

v3.8.0.1
Segment Information (Schedule Of Segment Information) (Details)
$ in Thousands
 3 Months Ended
Mar. 31, 2018
USD ($)
GeographicSegments
Mar. 31, 2017
USD ($)
Segment Reporting Information [Line Items]    
Number of operating segments | GeographicSegments 4  
Net sales to unrelated entities $ 607,308 $ 543,793
Income from operations 59,321 48,005
Interest income, net 2,296 955
Related party interest expense on note payable 0 (249)
Other non-operating expense (268) (53)
Income before income tax 61,349 48,658
United States [Member]    
Segment Reporting Information [Line Items]    
Net sales to unrelated entities 362,844 333,184
Income from operations 74,387 62,642
LAAP    
Segment Reporting Information [Line Items]    
Net sales to unrelated entities 131,569 118,344
Income from operations 21,739 19,808
EMEA [Member]    
Segment Reporting Information [Line Items]    
Net sales to unrelated entities 71,775 55,334
Income from operations 7,142 1,324
Canada [Member]    
Segment Reporting Information [Line Items]    
Net sales to unrelated entities 41,120 36,931
Income from operations 6,543 5,827
Operating Segments [Member]    
Segment Reporting Information [Line Items]    
Income from operations 109,811 89,601
Corporate, Non-Segment [Member]    
Segment Reporting Information [Line Items]    
Unallocated corporate expenses $ (50,490) $ (41,596)