Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Sep. 30, 2021
ASSETS
Cash and cash equivalents	$ 296,125	$ 326,532
Accounts receivable, net of allowance for doubtful accounts of $295 and $304 at December 31, 2021 and September 30, 2021, respectively	478,673	541,072
Prepaid expenses	89,473	69,991
Other current assets	145,051	135,415
Total current assets	1,009,322	1,073,010
Property and equipment, net	96,848	100,237
Goodwill	2,189,880	2,191,887
Acquired intangible assets, net	363,877	378,967
Deferred tax assets	292,171	297,789
Operating right-of-use lease assets	150,261	152,337
Other assets	318,261	313,333
Total assets	4,420,620	4,507,560
LIABILITIES AND STOCKHOLDERS’ EQUITY
Accounts payable	32,922	33,381
Accrued expenses and other current liabilities	132,806	113,067
Accrued compensation and benefits	119,928	117,784
Accrued income taxes	2,867	5,055
Deferred revenue	464,910	482,131
Short-term lease obligations	26,545	27,864
Total current liabilities	779,978	779,282
Long-term debt	1,440,014	1,439,471
Deferred tax liabilities	4,279	4,165
Long-term deferred revenue	16,160	15,546
Long-term lease obligations	179,487	180,935
Other liabilities	46,890	49,693
Total liabilities	2,466,808	2,469,092
Commitments and contingencies (Note 10)
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; 116,870 and 117,163 shares issued and outstanding at December 31, 2021 and September 30, 2021, respectively	1,169	1,172
Additional paid-in capital	1,590,285	1,718,504
Retained earnings	460,745	414,656
Accumulated other comprehensive loss	(98,387)	(95,864)
Total stockholders’ equity	1,953,812	2,038,468
Total liabilities and stockholders’ equity	$ 4,420,620	$ 4,507,560