Revenue - Disaggregated revenue and geography information (Details) - USD ($) $ in Thousands |
1 Months Ended | 2 Months Ended | 3 Months Ended | 4 Months Ended | 5 Months Ended | 7 Months Ended | 9 Months Ended | 12 Months Ended | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Jun. 12, 2021 |
Aug. 28, 2020 |
Jun. 11, 2021 |
Aug. 27, 2020 |
Jul. 31, 2021 |
Jul. 31, 2021 |
Oct. 31, 2020 |
Oct. 31, 2021 |
Apr. 30, 2021 |
Oct. 31, 2020 |
Jul. 31, 2020 |
Apr. 30, 2020 |
Jun. 11, 2021 |
Oct. 31, 2021 |
Aug. 27, 2020 |
Oct. 31, 2020 |
Jan. 31, 2021 |
Jan. 31, 2020 |
|
| Disaggregation of Revenue [Line Items] | ||||||||||||||||||
| Total net revenues | $ 38,687 | $ 91,012 | $ 36,973 | $ 170,559 | $ 139,636 | $ 261,572 | $ 273,851 | |||||||||||
| Financial Designation, Predecessor and Successor [Fixed List] | Successor | Predecessor | Predecessor | Predecessor | Successor | Successor | Predecessor | Successor | Predecessor | Predecessor | Predecessor | Predecessor | Predecessor | Successor | Predecessor | Predecessor | Predecessor | Predecessor |
| SaaS and subscription services | ||||||||||||||||||
| Disaggregation of Revenue [Line Items] | ||||||||||||||||||
| Total net revenues | $ 33,274 | $ 31,659 | $ 100,969 | $ 119,233 | $ 155,293 | $ 234,766 | ||||||||||||
| Software maintenance | ||||||||||||||||||
| Disaggregation of Revenue [Line Items] | ||||||||||||||||||
| Total net revenues | 1,701 | 1,622 | 4,681 | 5,984 | 7,249 | 12,079 | ||||||||||||
| Professional services | ||||||||||||||||||
| Disaggregation of Revenue [Line Items] | ||||||||||||||||||
| Total net revenues | 3,310 | 3,271 | 10,415 | 13,495 | 15,217 | 24,499 | ||||||||||||
| Perpetual software licenses | ||||||||||||||||||
| Disaggregation of Revenue [Line Items] | ||||||||||||||||||
| Total net revenues | 402 | 415 | 1,288 | 924 | 1,341 | 2,486 | ||||||||||||
| Hardware and other | ||||||||||||||||||
| Disaggregation of Revenue [Line Items] | ||||||||||||||||||
| Total net revenues | 6 | 12 | 21 | |||||||||||||||
| Virtual, on-demand and classroom | ||||||||||||||||||
| Disaggregation of Revenue [Line Items] | ||||||||||||||||||
| Total net revenues | 53,206 | 82,460 | ||||||||||||||||
| United States | ||||||||||||||||||
| Disaggregation of Revenue [Line Items] | ||||||||||||||||||
| Total net revenues | 30,996 | 28,858 | 90,892 | 101,884 | 167,906 | 217,783 | ||||||||||||
| Other Americas | ||||||||||||||||||
| Disaggregation of Revenue [Line Items] | ||||||||||||||||||
| Total net revenues | 597 | 1,566 | 9,857 | 8,724 | 18,039 | 8,899 | ||||||||||||
| Europe, Middle East and Africa | ||||||||||||||||||
| Disaggregation of Revenue [Line Items] | ||||||||||||||||||
| Total net revenues | 4,930 | 4,559 | 36,671 | 19,729 | 65,601 | 32,788 | ||||||||||||
| Asia-Pacific | ||||||||||||||||||
| Disaggregation of Revenue [Line Items] | ||||||||||||||||||
| Total net revenues | $ 2,164 | $ 1,990 | $ 33,139 | $ 9,299 | $ 10,026 | $ 14,381 | ||||||||||||