Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Operating activities:
Net earnings	$ 24,617	$ 28,032	$ 19,161
Adjustments to reconcile net earnings to net cash provided by operations:
Depreciation	8,512	7,587	7,144
Amortization	4,982	4,467	2,347
Deferred income taxes	1,462	(551)	(800)
Contributions to pension plan	0	(1,097)	0
Noncurrent employee benefits	1,392	122	4,704
Stock-based compensation expense	1,388	1,266	1,470
Changes in:
Receivables	(3,991)	812	(616)
Inventories	247	(4,743)	42
Prepaid expenses and other current assets	368	(905)	(850)
Liabilities other than debt	(4,159)	(188)	(1,285)
Total adjustments	10,201	6,770	12,156
Net cash provided by operations	34,818	34,802	31,317
Investing activities:
Property, plant and equipment additions	(14,311)	(8,202)	(5,336)
Acquisitions, net of cash acquired	(15,401)	(51,518)	(3,954)
Net cash used for investing activities	(29,712)	(59,720)	(9,290)
Financing activities:
Net increase (decrease) in short-term debt	3,205	65,136	(11,893)
Dividends paid	(10,004)	(9,513)	(9,023)
Proceeds from exercise of stock options	1,640	382	236
Tax benefit on stock options	382	297	190
Repurchase of Common Stock	0	(30,000)	0
Issuance of treasury stock	498	477	493
Net cash provided by (used for) financing activities	(4,279)	26,779	(19,997)
Effect of foreign exchange rates on cash	(118)	(282)	(144)
Increase in cash	709	1,579	1,886
Cash — beginning of year	6,554	4,975	3,089
Cash — end of year	7,263	6,554	4,975
Cash paid during the year for:
Income taxes	15,292	15,247	10,308
Interest	$ 1,114	$ 1,113	$ 324