Note 5 - Intangible Assets (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Apr. 30, 2023 |
Apr. 30, 2022 |
|
| Amortization of Intangible Assets | $ 38,245 | $ 39,558 |
| Tangible Asset Impairment Charges, Total | 0 | |
| Content & Platform [Member] | ||
| Goodwill, Impaired, Accumulated Impairment Loss | 569,300 | |
| Instructor-Led Training [Member] | ||
| Goodwill, Impaired, Accumulated Impairment Loss | $ 72,100 | |
| X | ||||||||||
- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|