CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2023	Sep. 30, 2022
Current assets:
Cash and cash equivalents	$ 95,377	$ 94,847
Marketable securities	11,661	20,317
Accounts receivable, net of allowances of $3,921 and $157	61,449	45,073
Deferred costs	7,709	7,098
Prepaid expenses and other current assets	55,663	60,184
Total current assets	231,859	227,519
Long-term marketable securities	15,676	11,584
Property and equipment, net	35,630	37,707
Deferred costs	21,207	22,451
Operating lease right of use assets	15,298	14,702
Goodwill	904,050	890,802
Intangible assets, net	5,299	9,700
Deferred tax assets	54,387	51,989
Other assets	52,041	52,039
Total assets	1,335,447	1,318,493
Current liabilities:
Accounts payable	18,992	10,372
Deferred revenue	75,765	72,662
Short-term operating lease liabilities	6,003	5,071
Short-term debt	12,500	10,938
Accrued expenses and other current liabilities	52,698	47,990
Total current liabilities	165,958	147,033
Long-term debt, net of discounts and issuance costs	264,687	259,436
Deferred revenue, net of current portion	160,452	165,972
Long-term operating lease liabilities	10,949	11,375
Other liabilities	23,978	21,727
Total liabilities	626,024	605,543
Commitments and contingencies (Note 12)
Stockholders' Equity:
Common stock, $0.01 par value, 560,000 shares authorized; 40,292 and 39,430 shares issued and outstanding, respectively	403	394
Accumulated other comprehensive (loss) income	(23,373)	(33,737)
Additional paid-in capital	1,038,048	1,029,542
Accumulated deficit	(305,655)	(283,249)
Total stockholders' equity	709,423	712,950
Total liabilities and stockholders' equity	$ 1,335,447	$ 1,318,493