Condensed Consolidated Balance Sheets (USD $) In Thousands	Sep. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 270,456	$ 220,938
Accounts receivable, net	117,305	165,019
Inventories	17,709	28,221
Income taxes receivable	11,447	3,098
Deferred income tax asset, current	21,773	19,906
Deferred costs and prepaid commissions	30,879	43,652
Prepaid expenses	7,990	8,527
Other current assets	3,761	3,687
Total current assets	481,320	493,048
Property and equipment, net	35,831	37,169
Deferred income tax asset, net, noncurrent	75,957	72,854
Other assets	1,410	1,507
Goodwill	135,620	135,564
Intangibles assets, net	64,284	92,245
Total assets	794,422	832,387
Current liabilities:
Accounts payable	13,650	17,823
Accrued expenses	38,607	20,344
Accrued compensation and related expenses	16,980	22,680
Current portion of deferred revenues	110,644	145,291
Total current liabilities	179,881	206,138
Deferred income tax liabilities, noncurrent	1,752	7,430
Long-term portion of deferred revenues	4,184	6,812
Other long-term liabilities	15,212	5,422
Total liabilities	201,029	225,802
Commitments and Contingencies (Note 10)
Shareholders' equity:
Common stock, without par value, 200,000,000 shares authorized; 69,253,624 and 68,617,232 shares issued and outstanding, respectively	359,143	351,309
Retained earnings	235,131	256,829
Accumulated other comprehensive income (loss)	(881)	(1,553)
Total shareholders' equity	593,393	606,585
Total liabilities and shareholders' equity	$ 794,422	$ 832,387