CONDENSED STATEMENTS OF OPERATIONS (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
Sales
Net product revenues	$ 195,092	$ 189,819	$ 395,138	$ 353,715
Net contract revenues	1,462	1,008	3,159	2,025
Net Revenues Total	196,554	190,827	398,297	355,740
Cost of product revenues (1)	21,770	18,237	42,703	32,568
Gross profit	174,784	172,590	355,594	323,172
Operating Expenses:
Selling, general and administrative (2)	101,933	90,393	205,371	175,023
Research And Development Expense	23,312	15,195	75,143	29,468
Depreciation and amortization	18,077	7,110	36,157	14,434
Operating income (loss)	31,462	59,892	38,923	104,247
Interest and investment income	(560)	(1,238)	(1,173)	(2,512)
Interest Expense	4,024	1,141	5,082	2,199
Other (income) expense, net	2,900	0	(100)	0
Income from continuing operations before income tax expense	25,098	59,989	35,114	104,560
Income tax expense	10,172	25,477	14,839	43,363
Income from continuing operations	14,926	34,512	20,275	61,197
Loss from discontinued operations, net of income tax benefit	0	5,729	0	13,054
Net income (loss)	$ 14,926	$ 28,783	$ 20,275	$ 48,143
Basic net income (loss) per share - continuing operations	$ 0.25	$ 0.55	$ 0.34	$ 0.99
Basic net income (loss) per share - discontinued operations	$ 0	$ (0.09)	$ 0	$ (0.22)
Basic net income (loss) per share	$ 0.25	$ 0.46	$ 0.34	$ 0.78
Diluted net income (loss) per share - continuing operations	$ 0.24	$ 0.51	$ 0.33	$ 0.91
Diluted net income (loss) per shares - discontinued operations	$ 0	$ (0.09)	$ 0	$ (0.22)
Diluted net income (loss) per share	$ 0.24	$ 0.43	$ 0.33	$ 0.72
Cash dividend declared per common share	$ 0.10	$ 0.08	$ 0.20	$ 0.16
Common shares used in calculating:
Basic net income per share	57,560	60,308	57,549	59,719
Weighted Average Number Of Diluted Shares Outstanding	63,980	67,140	63,983	66,347