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Restructuring - Schedule of Restructuring (Details) - USD ($) | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Apr. 30, 2025 | Oct. 31, 2024 | Oct. 31, 2023 | Jan. 31, 2025 | Jan. 31, 2024
September 2024 Reorganization |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges | $ 0 |  |  |  |
January 2024 Reorganization |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges | 0 |  |  |  | $ 12,654,000
September 2023 Reorganization |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  |  | $ 15,600,000 |  | 15,601,000
Cost of revenue | January 2024 Reorganization |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  |  |  |  | 632,000
Cost of revenue | September 2023 Reorganization |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  |  |  |  | 996,000
Research and development | January 2024 Reorganization |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  |  |  |  | 7,540,000
Research and development | September 2023 Reorganization |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  |  |  |  | 4,183,000
Sales and marketing | January 2024 Reorganization |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  |  |  |  | 500,000
Sales and marketing | September 2023 Reorganization |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  |  |  |  | 1,343,000
General and administrative | January 2024 Reorganization |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  |  |  |  | 3,982,000
General and administrative | September 2023 Reorganization |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  |  |  |  | 9,079,000
Severance and employment-related termination costs | September 2024 Reorganization |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  | $ 9,800,000 |  | $ 9,827,000 |
Severance and employment-related termination costs | January 2024 Reorganization |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges | 9,900,000 |  |  |  | 9,946,000
Severance and employment-related termination costs | September 2023 Reorganization |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  |  |  |  | 7,412,000
Severance and employment-related termination costs | Cost of revenue | September 2024 Reorganization |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  |  |  | 961,000 |
Severance and employment-related termination costs | Cost of revenue | January 2024 Reorganization |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  |  |  |  | 632,000
Severance and employment-related termination costs | Cost of revenue | September 2023 Reorganization |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  |  |  |  | 996,000
Severance and employment-related termination costs | Research and development | September 2024 Reorganization |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  |  |  | 2,867,000 |
Severance and employment-related termination costs | Research and development | January 2024 Reorganization |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  |  |  |  | 7,540,000
Severance and employment-related termination costs | Research and development | September 2023 Reorganization |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  |  |  |  | 4,183,000
Severance and employment-related termination costs | Sales and marketing | September 2024 Reorganization |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  |  |  | 5,066,000 |
Severance and employment-related termination costs | Sales and marketing | January 2024 Reorganization |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  |  |  |  | 500,000
Severance and employment-related termination costs | Sales and marketing | September 2023 Reorganization |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  |  |  |  | 1,343,000
Severance and employment-related termination costs | General and administrative | September 2024 Reorganization |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  |  |  | $ 933,000 |
Severance and employment-related termination costs | General and administrative | January 2024 Reorganization |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  |  |  |  | 1,274,000
Severance and employment-related termination costs | General and administrative | September 2023 Reorganization |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  |  |  |  | 890,000
Facility and other contract terminations | January 2024 Reorganization |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges | $ 2,700,000 |  |  |  | 2,708,000
Facility and other contract terminations | September 2023 Reorganization |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  |  |  |  | 8,189,000
Facility and other contract terminations | Cost of revenue | January 2024 Reorganization |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  |  |  |  | 0
Facility and other contract terminations | Cost of revenue | September 2023 Reorganization |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  |  |  |  | 0
Facility and other contract terminations | Research and development | January 2024 Reorganization |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  |  |  |  | 0
Facility and other contract terminations | Research and development | September 2023 Reorganization |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  |  |  |  | 0
Facility and other contract terminations | Sales and marketing | January 2024 Reorganization |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  |  |  |  | 0
Facility and other contract terminations | Sales and marketing | September 2023 Reorganization |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  |  |  |  | 0
Facility and other contract terminations | General and administrative | January 2024 Reorganization |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  |  |  |  | 2,708,000
Facility and other contract terminations | General and administrative | September 2023 Reorganization |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  |  |  |  | $ 8,189,000

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