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CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS (USD $)
In Thousands, unless otherwise specified
 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net earnings $ 5,751 $ 5,390
Adjustments to reconcile net earnings to net cash provided by operating activities -    
Depreciation 1,888 1,985
Amortization 151 171
Bad debt expense 152 87
Deferred income taxes 344 (727)
Net foreign currency transaction (gains) losses (4) 580
Stock-based compensation 676 633
Pension contribution (1,300) (110)
Pension expense 1,106 1,796
Increase in cash surrender value of life insurance (115) (115)
Changes in operating assets and liabilities -    
Accounts receivable 7,236 6,278
Inventories (143) 12,960
Prepaid expenses and other assets 2,514 99
Accounts payable (7,541) (6,628)
Accrued liabilities and other (998) (5,004)
Accrued income taxes (1,953) (1,493)
Net cash provided by operating activities 7,764 15,902
CASH FLOWS FROM INVESTING ACTIVITIES:    
Purchases of marketable securities (7,427) (12)
Proceeds from maturities of marketable securities 3,382 6,308
Life insurance premiums paid (155) (155)
Investment in real estate 0 (3,206)
Purchases of property, plant and equipment (725) (1,125)
Net cash (used for) provided by investing activities (4,925) 1,810
CASH FLOWS FROM FINANCING ACTIVITIES:    
Cash dividends paid (5,954) 0
Shares purchased and retired (1,249) (4,623)
Proceeds from stock options exercised 608 2,828
Payment of contingent consideration 0 (1,270)
Proceeds from bank borrowings 33,999 2,000
Repayments of bank borrowings (35,179) (27,000)
Income tax benefits from stock-based compensation 37 455
Net cash used for financing activities (7,738) (27,610)
Effect of exchange rate changes on cash and cash equivalents 152 (342)
Net decrease in cash and cash equivalents (4,747) (10,240)
CASH AND CASH EQUIVALENTS at beginning of period 15,969 17,288
CASH AND CASH EQUIVALENTS at end of period 11,222 7,048
SUPPLEMENTAL CASH FLOW INFORMATION:    
Income taxes paid, net of refunds 4,498 4,527
Interest paid $ 46 $ 206