Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014
ASSETS
Cash and cash equivalents	$ 273,417	$ 293,654
Accounts receivable, net of allowance for doubtful accounts of $998 and $1,622 at September 30, 2015 and 2014, respectively	197,275	235,688
Prepaid expenses	56,365	37,667
Other current assets	140,819	133,859
Deferred tax assets	36,803	31,299
Total current assets	704,679	732,167
Property and equipment, net	65,162	67,783
Goodwill	1,069,041	1,012,527
Acquired intangible assets, net	291,301	336,873
Deferred tax assets	38,936	8,958
Other assets	40,794	41,646
Total assets	2,209,913	2,199,954
LIABILITIES AND STOCKHOLDERS' EQUITY
Accounts Payable, Current	13,361	19,802
Accrued expenses and other current liabilities	97,613	57,536
Accrued compensation and benefits	82,414	144,875
Accrued income taxes	4,010	9,329
Deferred tax liabilities	1,622	854
Current portion of long term debt	50,000	25,000
Deferred revenue	368,240	369,271
Total current liabilities	617,260	626,667
Long term debt, net of current portion	618,125	586,875
Deferred tax liabilities	42,361	36,601
Deferred revenue	18,610	13,273
Other liabilities	53,386	82,649
Total liabilities	$ 1,349,742	$ 1,346,065
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; 113,745 and 115,025 shares issued and outstanding at September 30, 2015 and 2014, respectively	1,137	1,150
Additional paid-in capital	1,553,390	1,597,277
Accumulated deficit	(602,614)	(650,171)
Accumulated other comprehensive loss	(91,742)	(94,367)
Total stockholders' equity	860,171	853,889
Total liabilities and stockholders' equity	$ 2,209,913	$ 2,199,954