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Business Overview - Additional Information (Details) |  | 9 Months Ended
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Oct. 01, 2019 | Jun. 30, 2021
Business Overview [Line Items] |  |
Entity incorporation state country code |  | DE
Entity incorporation, date of incorporation |  | Oct. 01, 2019
Nuance Communications | Spin-Off |  |
Business Overview [Line Items] |  |
Distribution date | Oct. 01, 2019 |
Conversion ratio, description |  | The distribution was made in the amount of one share of our common stock for every eight shares of Nuance common stock (which we refer to as the “Distribution”) owned by Nuance’s stockholders as of 5:00 p.m. Eastern Time on September 17, 2019, the record date of the Distribution.
Conversion ratio | 0.125 |

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