Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2022	Sep. 30, 2021
ASSETS
Cash and cash equivalents	$ 306,701	$ 326,532
Accounts receivable, net of allowance for doubtful accounts of $733 and $304 at March 31, 2022 and September 30, 2021, respectively	510,196	541,072
Prepaid expenses	88,918	69,991
Other current assets	61,147	135,415
Total current assets	966,962	1,073,010
Property and equipment, net	92,897	100,237
Goodwill	2,186,156	2,191,887
Acquired intangible assets, net	355,360	378,967
Deferred tax assets	299,381	297,789
Operating right-of-use lease assets	149,801	152,337
Other assets	327,966	313,333
Total assets	4,378,523	4,507,560
LIABILITIES AND STOCKHOLDERS’ EQUITY
Accounts payable	23,741	33,381
Accrued expenses and other current liabilities	102,116	113,067
Accrued compensation and benefits	99,162	117,784
Accrued income taxes	15,054	5,055
Deferred revenue	516,933	482,131
Short-term lease obligations	25,375	27,864
Total current liabilities	782,381	779,282
Long-term debt	1,265,546	1,439,471
Deferred tax liabilities	4,163	4,165
Deferred revenue	17,748	15,546
Long-term lease obligations	178,615	180,935
Other liabilities	46,093	49,693
Total liabilities	2,294,546	2,469,092
Commitments and contingencies (Note 15)
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; 116,976 and 117,163 shares issued and outstanding at March 31, 2022 and September 30, 2021, respectively	1,170	1,172
Additional paid-in capital	1,637,631	1,718,504
Retained earnings	550,424	414,656
Accumulated other comprehensive loss	(105,248)	(95,864)
Total stockholders’ equity	2,083,977	2,038,468
Total liabilities and stockholders’ equity	$ 4,378,523	$ 4,507,560