CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands	Jun. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 370,422	$ 372,969
Short-term investments	640,583	516,842
Accounts receivable, net	70,014	61,197
Inventory	23,538	23,824
Deferred tax assets, net	12,822	16,609
Prepaid expenses and other current assets	45,783	24,802
Total current assets	1,163,162	1,016,243
Property and equipment, net	100,861	82,434
In-process research and development	194,000	194,000
Goodwill	61,459	61,459
Other intangible assets, net	12,577	13,845
Long-term investments		20,101
Other assets	29,927	27,075
Total assets	1,561,986	1,415,157
Current liabilities:
Accounts payable	24,947	23,484
Accrued liabilities	96,412	93,527
Short-term deferred revenue	6,662	2,642
Short-term contingent consideration	97,602	30,991
Total current liabilities	225,623	150,644
Long-term deferred revenue	21,028	20,581
Long-term deferred tax liabilities, net	78,310	82,833
Long-term contingent consideration	71,809	55,506
Long-term debt, net	444,854	435,800
Other long-term liabilities	6,814	6,370
Total liabilities	848,438	751,734
Commitments and contingencies (Notes C, F, K and L)
Stockholders' equity:
Preferred stock, non-cumulative; convertible, $.001 par value; authorized 5,000,000 shares; no shares issued and outstanding
Common stock, $.001 par value; authorized 150,000,000 shares; 60,960,010 and 59,344,957 shares issued and outstanding as of June 30, 2011 and December 31, 2010, respectively	61	59
Additional paid-in capital	848,913	800,618
Accumulated other comprehensive (loss) income	(71)	71
Accumulated deficit	(135,355)	(137,325)
Total stockholders' equity	713,548	663,423
Total liabilities and stockholders' equity	$ 1,561,986	$ 1,415,157