Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Sep. 30, 2011
ASSETS
Cash and cash equivalents	$ 489,543	$ 167,878
Accounts receivable, net of allowance for doubtful accounts of $3,418 and $3,902 at September 30, 2012 and 2011, respectively	217,370	230,220
Prepaid expenses	28,341	30,582
Other current assets	121,019	109,433
Deferred tax assets	22,879	54,151
Total current assets	879,152	592,264
Property and equipment, net	63,466	62,569
Goodwill	610,347	613,394
Acquired intangible assets, net	185,885	222,017
Deferred tax assets	20,660	98,064
Other assets	32,124	41,374
Total assets	1,791,634	1,629,682
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable	17,046	16,974
Accrued expenses and other current liabilities	48,471	60,167
Accrued compensation and benefits	92,212	91,913
Accrued income taxes	804	11,895
Deferred tax liabilities	402	4,440
Current portion of long term debt	7,500	0
Deferred revenue	315,309	279,935
Total current liabilities	481,744	465,324
Long term debt, net of current portion	362,500	200,000
Deferred tax liabilities	31,854	25,919
Deferred revenue	12,220	14,389
Other liabilities	106,057	101,360
Total liabilities	994,375	806,992
Commitments and contingencies (Note I)
Stockholders' equity:
Preferred stock, $0.01 par value; 5,000 shares authorized; none issued	0	0
Common stock, $0.01 par value; 500,000 shares authorized; 119,553 and 116,937 shares issued and outstanding at September 30, 2012 and 2011, respectively	1,196	1,169
Additional paid-in capital	1,822,698	1,805,021
Accumulated deficit	(954,134)	(918,736)
Accumulated other comprehensive loss	(72,501)	(64,764)
Total stockholders' equity	797,259	822,690
Total liabilities and stockholders' equity	$ 1,791,634	$ 1,629,682