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Income Taxes - Narrative (Details) $ in Thousands, SFr in Millions |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
May 19, 2019 | Dec. 06, 2016 CHF (SFr) | Jan. 29, 2023 USD ($) | Jan. 30, 2022 USD ($) | Jan. 31, 2021 USD ($) | Jan. 12, 2023 USD ($) | Jan. 26, 2020 USD ($)
Income Tax [Line Items] |  |  |  |  |  |  |
Deferred Tax Liabilities, Undistributed Foreign Earnings |  |  | $ 0 |  |  |  |
Gross research credits available to offset taxable income |  |  | 61,699 | $ 13,498 |  |  |
Valuation allowance |  |  | $ 156,850 | 17,506 | $ 15,751 |  | $ 16,189
Percentage of uncertain tax positions evaluating criteria |  |  | 50.00% |  |  |  |
Net tax benefits, if recognized, would impact the effective tax rate |  |  | $ 12,600 | 9,300 |  |  |
Unrecognized tax benefits, interest and penalties |  |  | 1,900 |  |  |  |
Net deferred tax assets |  |  | 58,719 | 26,670 |  |  |
Assumed valuation allowance from Sierra Wireless Acquisition |  |  | 116,528 | 0 | 0 |  |
Change in valuation allowance |  |  |  | 6,500 |  |  |
Additions |  |  | 22,816 | 2,605 | $ 1,208 |  |
Change in valuation allowance from Convertible Note Hedge Transaction |  |  | 16,300 |  |  |  |
US, Canada, And France |  |  |  |  |  |  |
Income Tax [Line Items] |  |  |  |  |  |  |
Valuation allowance |  |  | 156,900 | 17,500 |  |  |
Net deferred tax assets |  |  | 215,600 | $ 44,100 |  |  |
Foreign |  |  |  |  |  |  |
Income Tax [Line Items] |  |  |  |  |  |  |
Reduction in statutory Cantonal tax rate, percentage |  | 70.00% |  |  |  |  |
Statutory Cantonal tax rate before tax holiday, percentage |  | 12.56% |  |  |  |  |
Statutory Cantonal tax rate after tax holiday, percentage |  | 3.77% |  |  |  |  |
Maximum after-tax profit subject to potential savings | SFr |  | SFr 500.0 |  |  |  |  |
Income tax holiday, initial term |  | 5 years |  |  |  |  |
Income tax holiday, possible additional term |  | 5 years |  |  |  |  |
Gross research credits available to offset taxable income |  |  | 57,600 |  |  |  |
Foreign | CANADA |  |  |  |  |  |  |
Income Tax [Line Items] |  |  |  |  |  |  |
Operating loss carryforwards |  |  |  |  |  | $ 21,000 |
Foreign | FRANCE |  |  |  |  |  |  |
Income Tax [Line Items] |  |  |  |  |  |  |
Operating loss carryforwards |  |  |  |  |  | 162,500 |
Foreign | LUXEMBOURG |  |  |  |  |  |  |
Income Tax [Line Items] |  |  |  |  |  |  |
Operating loss carryforwards |  |  |  |  |  | $ 97,600 |
Foreign | Sierra Wireless |  |  |  |  |  |  |
Income Tax [Line Items] |  |  |  |  |  |  |
Gross research credits available to offset taxable income |  |  | 47,000 |  |  |  |
Foreign | Swiss Federal Tax Administration (FTA) |  |  |  |  |  |  |
Income Tax [Line Items] |  |  |  |  |  |  |
Reduction in statutory Cantonal tax rate, percentage | 70.00% |  |  |  |  |  |
Income Tax, Statutory Cantonial Tax Rate | 0.0846 |  |  |  |  |  |
Statutory Cantonal tax rate before tax holiday, percentage | 12.56% |  |  |  |  |  |
Statutory Cantonal tax rate after tax holiday, percentage | 2.54% |  |  |  |  |  |
Federal |  |  |  |  |  |  |
Income Tax [Line Items] |  |  |  |  |  |  |
Operating loss carryforwards |  |  | 74,000 |  |  |  |
Gross research credits available to offset taxable income |  |  | 9,600 |  |  |  |
Federal | Sierra Wireless |  |  |  |  |  |  |
Income Tax [Line Items] |  |  |  |  |  |  |
Gross research credits available to offset taxable income |  |  | 2,500 |  |  |  |
State |  |  |  |  |  |  |
Income Tax [Line Items] |  |  |  |  |  |  |
Operating loss carryforwards |  |  | 105,300 |  |  |  |
Gross research credits available to offset taxable income |  |  | $ 18,500 |  |  |  |
Maximum | Foreign |  |  |  |  |  |  |
Income Tax [Line Items] |  |  |  |  |  |  |
Potential tax savings | SFr |  | SFr 44.0 |  |  |  |  |

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