Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Assets
Cash and cash equivalents	$ 905,526	$ 540,865
Trade accounts receivable, net	311,369	244,288
Inventories	90,049	81,386
Deferred tax assets	19,177	19,132
Prepaid expenses and other current assets	84,270	55,599
Total current assets	1,410,391	941,270
Property, plant and equipment, net	165,047	165,852
Intangible assets, net	648,306	91,604
Goodwill	253,839	79,639
Deferred tax assets	14,509	103,868
Other assets	13,516	12,518
Total assets	2,505,608	1,394,751
Liabilities and Stockholders' Equity
Accounts payable	21,962	16,029
Accrued expenses	247,885	183,624
Deferred revenue	35,070	17,905
Current portion of long-term debt	48,000	0
Other current liabilities	9,025	10,227
Total current liabilities	361,942	227,785
Long-term debt, less current portioon	113,000	0
Contingent consideration	139,453	18,120
Other liabilities	18,778	14,354
Total liabilities	633,173	260,259
Commitments and contingencies
Stockholders' Equity:
Preferred stock, $.0001 par value; 5,000 shares authorized, no shares issued or outstanding	0	0
Common stock, $.0001 par value; 290,000 shares authorized; 194,333 and 185,616 shares issued at September 30, 2012 and December 31, 2011, respectively	19	19
Additional paid-in capital	1,827,517	1,261,589
Treasury stock, at cost	(2,676)	(2,676)
Accumulated other comprehensive income	2,345	4,179
Accumulated deficit	45,230	(128,619)
Total stockholders' equity	1,872,435	1,134,492
Total liabilities and stockholders' equity	$ 2,505,608	$ 1,394,751