Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 27, 2020	Sep. 30, 2019
ASSETS
Cash and cash equivalents	$ 377,428	$ 269,579
Short-term marketable securities	25,830	27,891
Accounts receivable, net of allowance for doubtful accounts of $632 and $744 at June 27, 2020 and September 30, 2019, respectively	319,244	372,743
Prepaid expenses	72,630	52,701
Other current assets	52,106	59,707
Total current assets	847,238	782,621
Property and equipment, net	101,617	105,531
Goodwill	1,605,204	1,238,179
Acquired intangible assets, net	247,173	169,949
Long-term marketable securities	31,958	29,544
Deferred tax assets	196,701	198,634
Operating right-of-use lease assets	151,044	0
Other assets	195,234	140,130
Total assets	3,376,169	2,664,588
LIABILITIES AND STOCKHOLDERS’ EQUITY
Accounts payable	29,954	42,442
Accrued expenses and other current liabilities	97,305	104,028
Accrued compensation and benefits	89,728	88,769
Accrued income taxes	16,707	17,407
Deferred revenue	395,849	385,509
Short-term lease obligations	36,748	0
Total current liabilities	666,291	638,155
Long-term debt	1,124,702	669,134
Deferred tax liabilities	17,097	41,683
Deferred revenue	8,833	11,123
Long-term lease obligations	179,331	0
Other liabilities	52,348	102,495
Total liabilities	2,048,602	1,462,590
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; 115,976 and 114,899 shares issued and outstanding at June 27, 2020 and September 30, 2019, respectively	1,160	1,149
Additional paid-in capital	1,552,291	1,502,949
Accumulated deficit	(115,673)	(191,390)
Accumulated other comprehensive loss	(110,211)	(110,710)
Total stockholders’ equity	1,327,567	1,201,998
Total liabilities and stockholders’ equity	$ 3,376,169	$ 2,664,588