v2.3.0.11

Condensed Consolidated Statements of Cash Flows (Unaudited) Statement (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 40,495	$ 83,790
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	11,751	10,803
Accretion of debt discount	1,834	0
Amortization of Financing Costs	326	0
Deferred revenue recognized	(118,934)	(133,643)
Increase in deferred revenue	35,469	52,497
Deferred income taxes	(1,823)	(7,360)
Share-based compensation	3,367	2,634
Impairment of long-term investment	1,616	0
Other	(254)	161
Decrease (increase) in assets:
Receivables	3,898	53,819
Deferred charges	173	(2,530)
Other current assets	(661)	1,169
Increase (decrease) in liabilities:
Accounts payable	(2,104)	1,703
Accrued compensation	(10,231)	2,784
Accrued taxes payable	(51)	17,407
Other accrued expenses	3,872	(1,686)
Net cash provided by operating activities	(31,257)	81,548
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of short-term investments	(362,285)	(309,548)
Sales of short-term investments	367,142	240,151
Purchases of property and equipment	(1,826)	(1,088)
Capitalized patent costs	(13,126)	(13,868)
Net cash used in investing activities	(10,095)	(84,353)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net proceeds from exercise of stock options	2,952	8,465
Payments on long-term debt, including capital lease obligations	(141)	(434)
Dividends paid	(9,062)	0
Proceeds from note payable	230,000	0
Purchase of convertible bond hedge	(42,665)	0
Proceeds from Issuance of Warrants	31,740	0
Payments of debt issuance costs	(8,015)	0
Tax benefit from share-based compensation	681	1,342
Net cash provided (used) by financing activities	205,490	9,373
NET INCREASE IN CASH AND CASH EQUIVALENTS	164,138	6,568
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	215,451	210,863
CASH AND CASH EQUIVALENTS, END OF PERIOD	$ 379,589	$ 217,431

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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