CONSOLIDATED AND COMBINED STATEMENT OF EQUITY AND CHANGES IN PARENT COMPANY EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in-Capital	Accumulated Deficit	Net Parent Investment	Accumulated Other Comprehensive Loss
Balance at Sep. 30, 2018	$ 993,319				$ 1,017,276	$ (23,957)
Accumulated adjustment related to the adoption | ASC 606	4,735				4,735
Net (loss) income	2,255				2,255
Other comprehensive income (loss)	(3,385)					(3,385)
Balance at Dec. 31, 2018	996,924				1,024,266	(27,342)
Balance at Sep. 30, 2019	1,068,128				1,097,127	(28,999)
Net (loss) income	(11,762)			$ (11,762)
Other comprehensive income (loss)	5,830					5,830
Distribution to Parent	(152,978)				(152,978)
Net (decrease) increase in net parent investment	11,453				(4,275)	15,728
Reclassification of net parent investment in Cerence			$ 939,874		$ (939,874)
Issuance of common stock at separation		$ 364	(364)
Issuance of common stock at separtion, (in shares)		36,391
Stock issued pursuant to employee stock plans	(141)	$ 0	(141)
Stock issued pursuant to employee stock plans, (in shares)		12
Stock-based compensation	5,685		5,685
Balance at Dec. 31, 2019	$ 926,215	$ 364	$ 945,054	$ (11,762)		$ (7,441)
Balance (in shares) at Dec. 31, 2019		36,403