CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
CASH FLOWS FROM OPERATING ACTIVITIES:
Net Earnings	$ 16,441	$ 14,126	$ 13,070
Adjustments to reconcile net earnings to net cash provided by operating activities -
Depreciation	2,591	2,700	2,948
Amortization	253	116	93
Bad debt expense	316	35	631
Deferred income taxes	(343)	503	(18)
Net foreign currency transaction losses (gains)	197	(400)	(1,339)
Stock-based compensation	1,224	1,128	877
Pension contribution	(1,600)	(1,500)	(1,000)
Pension expense	2,836	3,248	2,986
Net gains on sale of marketable securities	(346)
Net (gains) losses on disposal of assets	(14)	16	13
Impairment of property, plant and equipment	165	310	1,110
Increase in cash surrender value of life insurance	(527)	(515)	(507)
Change in operating assets and liabilities, net of effects from acquisitions -
Accounts receivable	(1,267)	(4,642)	2,286
Inventories	(3,667)	(14,889)	15,758
Prepaids and other current assets	(752)	(681)	(1,153)
Accounts payable	2,141	1,031	(231)
Accrued liabilities and other	427	654	(1,089)
Accrued income taxes	(932)	(1,142)	3,467
Net cash provided by operating activities	17,143	98	37,902
CASH FLOWS FROM INVESTING ACTIVITIES:
Acquisition of businesses, net of cash acquired	(27,023)	(2,638)	(9,320)
Purchase of marketable securities	(1,179)	(22,762)	(8,073)
Proceeds from maturities and sales of marketable securities	12,963	6,375	7,273
Proceeds from the sale of assets	14
Life insurance premiums paid	(155)	(155)	(155)
Purchase of property, plant and equipment	(8,189)	(1,510)	(1,316)
Net cash used for investing activities	(23,569)	(20,690)	(11,591)
CASH FLOWS FROM FINANCING ACTIVITIES:
Cash received from noncontrolling interest			1,314
Cash dividends paid	(7,155)	(7,026)	(6,578)
Shares purchased and retired	(13,021)	(2,321)	(2,633)
Proceeds from stock options exercised	1,096	1,202	683
Repayment of debt assumed in acquisition	(3,814)
Net (repayments) borrowings of commercial paper	(5,000)	5,000	(1,250)
Proceeds from bank borrowings	73,000
Repayments of bank borrowings	(36,000)
Income tax benefits from stock-based compensation	496	555	124
Net cash provided by (used for) financing activities	9,602	(2,590)	(8,340)
Effect of exchange rate changes on cash and cash equivalents	3	332	543
Net increase (decrease) in cash and cash equivalents	3,179	(22,850)	18,514
CASH AND CASH EQUIVALENTS at beginning of year	7,150	30,000	11,486
CASH AND CASH EQUIVALENTS at end of year	10,329	7,150	30,000
SUPPLEMENTAL CASH FLOW INFORMATION:
Income taxes paid, net of refunds	7,989	8,472	3,055
Interest paid	$ 457	$ 118	$ 28