Consolidated Condensed Statements of Cash Flows (Unaudited) (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Operating activities:
Net earnings	$ 11,094	$ 13,381
Adjustments to reconcile net earnings to net cash provided by (used for) operations:
Depreciation	3,793	3,357
Amortization	1,172	763
Gain on legal settlement	0	(740)
Deferred income taxes	(15)	(2)
Noncurrent employee benefits	1,812	1,574
Stock-based compensation expense	542	569
Changes in:
Receivables	(4,739)	(14,416)
Inventories	1,693	(5,008)
Prepaid expenses and other current assets	(1,289)	(907)
Liabilities other than debt	3,895	11,933
Total adjustments	6,864	(2,877)
Net cash provided by operations	17,958	10,504
Investing activities:
Property, plant and equipment expenditures	(2,366)	(4,155)
Acquisitions, net of cash acquired	(3,954)	(7,280)
Investment in start-up technology company	0	(1,500)
Other - net	(143)	31
Net cash used for investing activities	(6,463)	(12,904)
Financing activities:
Net increase (decrease) in short-term debt	(7,181)	(143)
Repayments of long-term debt	0	(4,893)
Dividends paid	(4,207)	(3,587)
Proceeds from exercise of stock options	234	156
Tax benefit on stock options	141	135
Issuance of treasury stock	417	72
Net cash used for financing activities	(10,596)	(8,260)
Effect of foreign exchange rates on cash	285	(82)
Increase (decrease) in cash	1,184	(10,742)
Cash - beginning of period	3,089	13,329
Cash - end of period	$ 4,273	$ 2,587