Basis of Presentation (Details) - USD ($) $ in Thousands |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 06, 2019 |
Feb. 01, 2020 |
Feb. 02, 2019 |
Feb. 03, 2018 |
|
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||||
| Gain on sale of business | $ 1,121,709 | $ 0 | $ 5,254 | |
| Tax benefit for intellectual property transfer | 763,000 | |||
| Deferred tax asset related to tax basis in intellectual property | 659,000 | |||
| Reversal of intangible assets, deferred tax liability | $ (104,000) | |||
| Wi Fi Business | ||||
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||||
| Proceeds from sale of business | $ 1,700,000 | |||
| Gain on sale of business | $ 1,100,000 | |||