Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Sep. 30, 2012
ASSETS
Cash and cash equivalents	$ 241,913	$ 489,543
Accounts receivable, net of allowance for doubtful accounts of $3,418 and $3,902 at September 30, 2012 and 2011, respectively	229,106	217,370
Prepaid expenses	45,674	28,341
Other current assets	123,878	121,019
Deferred tax assets	39,645	22,879
Total current assets	680,216	879,152
Property and equipment, net	64,652	63,466
Goodwill	769,095	610,347
Acquired intangible assets, net	273,121	185,885
Deferred tax assets	7,696	20,660
Other assets	34,126	32,124
Total assets	1,828,906	1,791,634
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts payable, accrued expenses and other current liabilities	66,006	65,517
Accrued compensation and benefits	112,733	92,212
Accrued income taxes	7,074	804
Deferred tax liabilities	853	402
Current portion of long term debt	15,000	7,500
Deferred revenue	326,947	315,309
Total current liabilities	528,613	481,744
Long term debt, net of current portion	243,125	362,500
Deferred tax liabilities	42,088	31,854
Deferred revenue	9,966	12,220
Other liabilities	78,634	106,057
Total liabilities	902,426	994,375
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; 118,446 and 119,553 shares issued and outstanding at September 30, 2013 and 2012, respectively	1,185	1,196
Additional paid-in capital	1,786,820	1,822,698
Accumulated deficit	(810,365)	(954,134)
Accumulated other comprehensive loss	(51,160)	(72,501)
Total stockholders' equity	926,480	797,259
Total liabilities and stockholders' equity	$ 1,828,906	$ 1,791,634