XML 39 R4.htm IDEA: XBRL DOCUMENT v2.4.0.6
Condensed Consolidated Statements of Earnings (unaudited) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Condensed Consolidated Statements of Earnings (unaudited) [Abstract]        
Net sales $ 79,014 $ 74,687 $ 155,217 $ 147,695
Cost of sales 56,430 52,926 111,475 105,154
Gross margin 22,584 21,761 43,742 42,541
Operating expenses:        
Selling expenses 4,169 4,151 8,256 8,289
Research and development expenses 947 733 1,723 1,609
General and administrative expenses 2,643 2,818 5,263 5,286
Operating expenses 7,759 7,702 15,242 15,184
Earnings from operations 14,825 14,059 28,500 27,357
Other expenses (income):        
Interest income (1) (69) (8) (140)
Interest expense 3 22 6 40
Other, net (1) (246) (10) (271)
Earnings before income tax expense 14,824 14,352 28,512 27,728
Income tax expense 4,852 4,780 9,272 9,244
Net earnings $ 9,972 $ 9,572 $ 19,240 $ 18,484
Net earnings per common share - basic (in dollars per share) $ 0.34 $ 0.34 $ 0.66 $ 0.65
Net earnings per common share - diluted (in dollars per share) $ 0.33 $ 0.32 $ 0.64 $ 0.61