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Income Taxes - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Jan. 25, 2026 | Jan. 26, 2025 | Jan. 28, 2024 | Jan. 29, 2023
Income Tax [Line Items] |  |  |  |
Deferred Tax Liabilities, Undistributed Foreign Earnings | $ 0 |  |  |
Gross research credits available to offset taxable income | 89,563 | $ 91,214 |  |
Valuation allowance | $ 336,266 | 328,203 | $ 304,355 | $ 156,850
Percentage of uncertain tax positions evaluating criteria | 50.00% |  |  |
Net tax benefits, if recognized, would impact the effective tax rate | $ 4,600 | 4,800 |  |
Unrecognized tax benefits, interest and penalties | 500 |  |  |
Net deferred tax assets | 34,087 | 40,374 |  |
Change in valuation allowance | 8,100 |  |  |
Additions | 20,537 | 35,071 | $ 147,505 |
Possible decrease in unrecognized tax benefits within next twelve months | 800 |  |  |
US, Canada, And France |  |  |  |
Income Tax [Line Items] |  |  |  |
Valuation allowance | 336,300 | 328,200 |  |
Net deferred tax assets | 370,400 | $ 368,600 |  |
Foreign |  |  |  |
Income Tax [Line Items] |  |  |  |
Gross research credits available to offset taxable income | 70,000 |  |  |
Foreign | Canada |  |  |  |
Income Tax [Line Items] |  |  |  |
Operating loss carryforwards | 108,900 |  |  |
Foreign | France |  |  |  |
Income Tax [Line Items] |  |  |  |
Operating loss carryforwards | 272,300 |  |  |
Foreign | Switzerland |  |  |  |
Income Tax [Line Items] |  |  |  |
Operating loss carryforwards | 164,600 |  |  |
Foreign | UK |  |  |  |
Income Tax [Line Items] |  |  |  |
Operating loss carryforwards | 10,000 |  |  |
Foreign | Sierra Wireless |  |  |  |
Income Tax [Line Items] |  |  |  |
Gross research credits available to offset taxable income | 56,200 |  |  |
Federal |  |  |  |
Income Tax [Line Items] |  |  |  |
Gross research credits available to offset taxable income | 10,900 |  |  |
Federal | Sierra Wireless |  |  |  |
Income Tax [Line Items] |  |  |  |
Gross research credits available to offset taxable income | 4,100 |  |  |
State |  |  |  |
Income Tax [Line Items] |  |  |  |
Operating loss carryforwards | 157,500 |  |  |
Gross research credits available to offset taxable income | $ 23,100 |  |  |

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