CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2020	Oct. 01, 2019	Sep. 30, 2019
Current assets:
Cash and cash equivalents	$ 397,907		$ 560,961
Marketable securities	123,373		186,555
Accounts receivable, less allowances for doubtful accounts of $9,977 and $9,797	222,474		240,673
Prepaid expenses and other current assets	148,494		175,166
Disposal Group, Including Discontinued Operation, Assets, Current	0		91,858
Total current assets	892,248		1,255,213
Marketable Securities, Noncurrent	4,897		17,287
Land, building and equipment, net	127,721		121,203
Goodwill	2,125,053		2,127,896
Intangible assets, net	253,414		291,371
Operating Lease, Right-of-Use Asset	110,838	$ 120,000	0
Other assets	242,579		316,215
Disposal Group, Including Discontinued Operation, Other Assets, Noncurrent	0		1,236,608
Total assets	3,756,750		5,365,793
Long-term Debt and Lease Obligation, Current	230,000		1,142,870
Current liabilities:
Contingent And Deferred Acquisition Payments	14,676		17,470
Accounts payable	75,638		90,826
Accrued expenses and other current liabilities	187,401		249,570
Deferred revenue	259,639		214,223
Disposal Group, Including Discontinued Operation, Liabilities, Current	0		130,117
Total current liabilities	767,354		1,845,076
Long-term debt	1,512,859		793,536
Deferred revenue, net of current portion	113,705		133,783
Deferred tax liabilities	63,942		54,216
Operating Lease, Liability, Noncurrent	108,420		0
Other liabilities	74,753		79,378
Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent	0		286,654
Total liabilities	2,641,033		3,192,643
Commitments and contingencies
Stockholders’ equity:
Common stock, $0.001 par value per share; 560,000 shares authorized; 284,832 and 289,680 shares issued and 281,081 and 285,930 shares outstanding, respectively	285		290
Additional paid-in capital	1,520,734		2,597,889
Treasury stock, at cost (3,751 shares)	(16,788)		(16,788)
Accumulated other comprehensive loss	(130,077)		(132,773)
Stockholders' Equity Attributable to Noncontrolling Interest	0		18,144
Accumulated deficit	(258,437)		(293,612)
Total Nuance Communications, Inc. stockholders’ equity	1,115,717		2,155,006
Members' Equity	1,115,717		2,173,150
Total liabilities and stockholders’ equity	$ 3,756,750		$ 5,365,793