CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Revenue	$ 389,951	$ 331,133	$ 763,416	$ 618,431
Cost of goods sold	185,416	147,810	363,236	269,754
Gross profit	204,535	183,323	400,180	348,677
Operating expenses:
Research and development	39,201	28,309	76,461	53,112
Selling, general and administrative	123,651	65,199	205,390	121,407
Total operating expenses	162,852	93,508	281,851	174,519
Earnings from operations	41,683	89,815	118,329	174,158
Interest expense	435	900	785	2,124
Interest income	(86)	(192)	(348)	(446)
Other income, net	(2,115)	(1,734)	(1,270)	(1,787)
Earnings from continuing operations before income taxes	43,449	90,841	119,162	174,267
Income tax provision	13,687	31,387	37,536	58,918
Earnings from continuing operations	29,762	59,454	81,626	115,349
Loss from discontinued operations, net of tax	(453)		(1,002)
Net earnings	$ 29,309	$ 59,454	$ 80,624	$ 115,349
Basic earnings per share:
Continuing operations	$ 0.19	$ 0.38	$ 0.51	$ 0.75
Discontinued operations	$ 0.00		$ (0.01)
Basic earnings per share	$ 0.18	$ 0.38	$ 0.51	$ 0.75
Diluted earnings per share:
Continuing operations	$ 0.18	$ 0.37	$ 0.50	$ 0.72
Discontinued operations	$ 0.00		$ (0.01)
Diluted earnings per share	$ 0.18	$ 0.37	$ 0.50	$ 0.72
Weighted average shares outstanding:
Basic	159,796	154,495	159,599	153,702
Diluted	162,550	161,643	162,427	161,626