Quarterly report pursuant to Section 13 or 15(d)

Segment Information (Schedule Of Segment Information) (Details)

v3.7.0.1
Segment Information (Schedule Of Segment Information) (Details)
$ in Thousands
 3 Months Ended
Mar. 31, 2017
USD ($)
GeographicSegments
Mar. 31, 2016
USD ($)
Segment Reporting Information [Line Items]    
Number of operating segments | GeographicSegments 4  
Net sales to unrelated entities $ 543,793 $ 525,136
Income from operations 48,005 44,265
Interest income, net 955 491
Related party interest expense on note payable (249) (264)
Other non-operating expense (53) (375)
Income before income tax 48,658 44,117
United States [Member]    
Segment Reporting Information [Line Items]    
Net sales to unrelated entities 333,184 336,245
Income from operations 62,642 66,292
LAAP [Member]    
Segment Reporting Information [Line Items]    
Net sales to unrelated entities 118,344 101,801
Income from operations 19,808 14,167
EMEA [Member]    
Segment Reporting Information [Line Items]    
Net sales to unrelated entities 55,334 51,329
Income from operations 1,324 1,259
Canada [Member]    
Segment Reporting Information [Line Items]    
Net sales to unrelated entities 36,931 35,761
Income from operations 5,827 3,859
Operating Segments [Member]    
Segment Reporting Information [Line Items]    
Income from operations 89,601 85,577
Corporate, Non-Segment [Member]    
Segment Reporting Information [Line Items]    
Unallocated corporate expenses $ (41,596) $ (41,312)