CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2020	Oct. 01, 2019	Sep. 30, 2019
Current assets:
Cash and cash equivalents	$ 240,555		$ 560,961
Marketable securities	69,283		186,555
Accounts receivable, less allowances for doubtful accounts of $12,283 and $9,797	215,272		240,673
Prepaid expenses and other current assets	145,831		175,166
Disposal Group, Including Discontinued Operation, Assets, Current	0		91,858
Total current assets	670,941		1,255,213
Marketable Securities, Noncurrent	2,986		17,287
Land, building and equipment, net	133,755		121,203
Goodwill	2,129,736		2,127,896
Intangible assets, net	235,703		291,371
Operating Lease, Right-of-Use Asset	107,553	$ 120,000	0
Other assets	265,412		316,215
Disposal Group, Including Discontinued Operation, Other Assets, Noncurrent	0		1,236,608
Total assets	3,546,086		5,365,793
Long-term Debt and Lease Obligation, Current	0		1,142,870
Current liabilities:
Contingent And Deferred Acquisition Payments	16,083		17,470
Accounts payable	65,511		90,826
Accrued expenses and other current liabilities	179,844		249,570
Deferred revenue	261,406		214,223
Disposal Group, Including Discontinued Operation, Liabilities, Current	0		130,117
Total current liabilities	522,844		1,845,076
Long-term debt	1,524,825		793,536
Deferred revenue, net of current portion	105,632		133,783
Deferred Tax Liabilities, Gross	61,306		54,216
Operating Lease, Liability, Noncurrent	105,333		0
Other liabilities	75,817		79,378
Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent	0		286,654
Total liabilities	2,395,757		3,192,643
Commitments and contingencies
Stockholders’ equity:
Common stock, $0.001 par value per share; 560,000 shares authorized; 285,125 and 289,680 shares issued and 281,375 and 285,930 shares outstanding, respectively	285		290
Additional paid-in capital	1,537,785		2,597,889
Treasury stock, at cost (3,751 shares)	(16,788)		(16,788)
Accumulated other comprehensive loss	(122,682)		(132,773)
Stockholders' Equity Attributable to Noncontrolling Interest	0		18,144
Accumulated deficit	(248,271)		(293,612)
Total Nuance Communications, Inc. stockholders’ equity	1,150,329		2,155,006
Members' Equity	1,150,329		2,173,150
Total liabilities and stockholders’ equity	$ 3,546,086		$ 5,365,793