Summary of Significant Accounting Policies - Content and Software Development Expenses, Capitalized Software Development Costs (Details) - USD ($) $ in Millions |
4 Months Ended | 5 Months Ended | 7 Months Ended | 8 Months Ended | 12 Months Ended | |
|---|---|---|---|---|---|---|
Jun. 11, 2021 |
Jan. 31, 2021 |
Aug. 27, 2020 |
Jan. 31, 2022 |
Jan. 31, 2022 |
Jan. 31, 2020 |
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| Finite-Lived Intangible Assets [Line Items] | ||||||
| Proprietary content development expenses | $ 8.1 | $ 11.5 | $ 12.6 | $ 16.1 | $ 25.9 | |
| Software development costs capitalized during period | 1.7 | 1.9 | 3.0 | 2.9 | 4.8 | |
| Amortization recognized during period | $ 0.2 | $ 0.1 | $ 2.7 | $ 0.2 | $ 3.9 | |
| Developed software/ courseware | ||||||
| Finite-Lived Intangible Assets [Line Items] | ||||||
| Estimated useful life | 5 years | |||||
| X | ||||||||||
- Definition The amount of proprietary content development expenses incurred during the period. No definition available.
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| X | ||||||||||
- Definition Additions made to capitalized computer software costs during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of expense for amortization of capitalized computer software costs. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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| X | ||||||||||
- Details
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