Consolidated Condensed Statements of Comprehensive Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Net sales	$ 187,014	$ 194,316
Cost of sales	84,332	93,405
Gross profit	102,682	100,911
Selling and administrative expense	77,725	74,806
Research and development expense	5,694	7,095
Medical device excise tax	1,580	0
Other expense	1,813	1,988
Total operating expenses	86,812	83,889
Income from operations	15,870	17,022
Loss on early extinguishment of debt	263	0
Interest expense	1,366	1,437
Income before income taxes	14,241	15,585
Provision for income taxes	3,749	5,617
Net income	10,492	9,968
Comprehensive income	$ 11,374	$ 11,045
Per share data:
Basic (per share)	$ 0.37	$ 0.36
Diluted (per share)	$ 0.37	$ 0.35
Dividends per share of common stock (in dollars per share)	$ 0.15	$ 0.15
Weighted average common shares
Basic	28,127	28,029
Diluted	28,500	28,484