CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Revenue	$ 371,327	$ 332,497	$ 1,138,850	$ 950,928
Cost of goods sold	169,430	150,389	535,030	420,143
Gross profit	201,897	182,108	603,820	530,785
Operating expenses:
Research and development	35,188	28,520	112,257	81,632
Selling, general and administrative	81,300	67,801	288,036	189,209
Total operating expenses	116,488	96,321	400,293	270,841
Earnings from operations	85,409	85,787	203,527	259,944
Interest expense	1,526	349	2,311	2,472
Interest income	(155)	(454)	(505)	(900)
Other expense (income), net	66	(631)	(1,206)	(2,418)
Earnings from continuing operations before income taxes	83,972	86,523	202,927	260,790
Income tax provision	19,582	23,568	57,109	82,486
Earnings from continuing operations	64,390	62,955	145,818	178,304
Earnings (loss) from discontinued operations, net of tax	329		(475)
Net earnings	$ 64,719	$ 62,955	$ 145,343	$ 178,304
Basic earnings per share:
Continuing operations	$ 0.41	$ 0.40	$ 0.92	$ 1.15
Discontinued operations	$ 0.00		$ 0.00
Basic earnings per share	$ 0.41	$ 0.40	$ 0.91	$ 1.15
Diluted earnings per share:
Continuing operations	$ 0.40	$ 0.39	$ 0.90	$ 1.11
Discontinued operations	$ 0.00		$ 0.00
Diluted earnings per share	$ 0.40	$ 0.39	$ 0.90	$ 1.11
Weighted average shares outstanding:
Basic	158,665	158,215	159,225	155,223
Diluted	160,798	160,925	161,811	161,440