Condensed Consolidated Statements of Earnings - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Net Sales	$ 216,828	$ 215,404	$ 396,692	$ 401,144
Cost of Sales	121,539	120,371	223,901	228,030
Gross Profit	95,289	95,033	172,791	173,114
Operating Expense:
Research and Development Expense	8,390	8,404	16,294	16,114
Selling and Administrative Expense	64,253	64,042	126,692	126,159
Loss on Sale of Business	87	0	149	0
Total Operating Expense	72,730	72,446	143,135	142,273
Profit from Operations	22,559	22,587	29,656	30,841
Other Income (Expense):
Interest Income	40	53	81	103
Interest Expense	(288)	(419)	(590)	(796)
Net Foreign Currency Transaction Gains (Losses)	597	(225)	324	(668)
Other Expense, Net	(314)	(185)	(350)	(237)
Total Other Income (Expense), Net	35	(776)	(535)	(1,598)
Profit Before Income Taxes	22,594	21,811	29,121	29,243
Income Tax Expense	7,266	6,994	9,354	9,400
Net Earnings	$ 15,328	$ 14,817	$ 19,767	$ 19,843
Net Earnings per Share:
Basic	$ 0.88	$ 0.81	$ 1.13	$ 1.09
Diluted	$ 0.85	$ 0.79	$ 1.10	$ 1.06
Weighted Average Shares Outstanding:
Basic	17,508,022	18,197,431	17,526,107	18,240,027
Diluted	17,933,243	18,672,040	17,954,167	18,724,859
Cash Dividend Declared per Common Share	$ 0.20	$ 0.20	$ 0.40	$ 0.40