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Goodwill and Intangible Assets - Narrative (Details) - USD ($) |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jan. 12, 2023 | Jan. 28, 2024 | Oct. 29, 2023 | Jul. 30, 2023 | Jan. 28, 2024 | Jan. 29, 2023 | Jan. 30, 2022
Goodwill [Line Items] |  |  |  |  |  |  |
Goodwill |  | $ 541,227,000 |  |  | $ 541,227,000 | $ 1,281,703,000 |
Measurement period adjustments |  |  |  |  | 23,925,000 |  |
Reclassification |  |  |  |  | 0 |  |
Impairment of goodwill |  | 473,800,000 | $ 2,300,000 | $ 279,600,000 | 755,621,000 | 0 | $ 0
Estimated useful life | 5 years 3 months 18 days |  |  |  |  |  |
Intangible impairment |  |  |  |  | 131,385,000 | 0 | $ 0
Net Carrying Amount |  | 33,651,000 |  |  | 33,651,000 | 215,102,000 |
Developed technology |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |
Estimated useful life | 4 years 4 months 24 days |  |  |  |  |  |
Intangible impairment |  | 91,800,000 |  |  | 91,792,000 | 0 |
Net Carrying Amount |  | 28,063,000 |  |  | 28,063,000 | 153,924,000 |
Customer relationships |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |
Estimated useful life | 7 years 10 months 24 days |  |  |  |  |  |
Intangible impairment |  | 34,800,000 |  |  | 34,777,000 | 0 |
Net Carrying Amount |  | 4,104,000 |  |  | 4,104,000 | 52,310,000 |
Trade name |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |
Estimated useful life | 6 years 2 months 12 days |  |  |  |  |  |
Net Carrying Amount |  | 1,484,000 |  |  | 1,484,000 |  |
Trade name |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |
Intangible impairment |  | 4,800,000 |  |  | 4,816,000 | 0 |
Net Carrying Amount |  | 1,484,000 |  |  | 1,484,000 | 8,868,000 |
IoT System | Operating Segments |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |
Goodwill |  | 106,565,000 |  |  | 106,565,000 | 61,582,000 |
Measurement period adjustments |  |  |  |  | 0 |  |
Reclassification |  |  |  |  | (593,945,000) |  |
Impairment of goodwill |  |  |  |  | 546,609,000 |  |
Signal Integrity Products Group | Operating Segments |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |
Goodwill |  | 267,205,000 |  |  | 267,205,000 | 274,085,000 |
Measurement period adjustments |  |  |  |  | 0 |  |
Reclassification |  |  |  |  | 6,880,000 |  |
Impairment of goodwill |  |  |  |  | 0 |  |
IoT Connected Services | Operating Segments |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |
Goodwill |  | 84,356,000 |  |  | 84,356,000 | $ 0 |
Measurement period adjustments |  |  |  |  | 0 |  |
Reclassification |  |  |  |  | (299,795,000) |  |
Impairment of goodwill |  | 138,400,000 | 1,600,000 | 69,000,000 | 209,012,000 |  |
IoT System, Modules |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |
Impairment of goodwill |  | 135,100,000 | 200,000 | 109,900,000 |  |  |
IoT System, Routers |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |
Impairment of goodwill |  | 200,300,000 | $ 500,000 | $ 100,700,000 |  |  |
Sierra Wireless |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |
Goodwill | $ 931,397,000 | $ 955,322,000 |  |  | 955,322,000 |  |
Measurement period adjustments |  |  |  |  | 23,925,000 |  |
Discontinued Operations, Disposed of by Sale | Micross Components, Inc. |  |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |  |
Reduction to goodwill |  |  |  |  | $ 800,000 |  |

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