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Significant Accounting Policies - Narrative (Details) - USD ($) | 12 Months Ended
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Jan. 25, 2026 | Jan. 26, 2025 | Jan. 28, 2024
Accounting Policies [Abstract] |  |  |
Aggregate net investments under cost method of accounting | $ 31,700,000 | $ 33,400,000 |
Total equity method investments | 5,300,000 | 5,700,000 |
Investment impairments and credit loss reserves, net | 10,387,000 | 1,109,000 | $ 3,929,000
Impairment of goodwill | 84,785,000 | 7,490,000 | 755,621,000
Intangible impairment | $ 1,777,000 | 0 | 131,385,000
Percent of realizable undiscounted cash flows used to determine useful life of acquired finite-lived intangible assets, minimum | 90.00% |  |
Deferred revenue | $ 14,197,000 | 15,870,000 |
Deferred revenue, noncurrent | 11,700,000 | 10,800,000 |
Restructuring | 4,186,000 | 4,944,000 | 24,634,000
Advertising costs | 1,400,000 | 900,000 | 1,500,000
Recoveries from nonrecurring engineering services | 4,600,000 | 8,800,000 | 5,400,000
Amortization of acquired technology | $ 9,193,000 | $ 9,106,000 | $ 33,716,000

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