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Fair Value Measurements - Carrying Value and Fair Value of Debt (Details) - USD ($) $ in Thousands | Oct. 26, 2025 | Jan. 26, 2025 | Oct. 12, 2022
--- | --- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Long-term debt | $ 490,486 | $ 505,933 |
Debt issuance costs | 12,514 | 11,135 |
Convertible Debt |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Long-term debt | 490,486 | 373,325 |
Fair Value | 585,968 | 873,714 |
Convertible Senior Notes Due 2027 | Convertible Debt |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Long-term debt | 98,982 | 312,973 |
Fair Value | $ 187,666 | $ 647,943 |
Fixed interest rate | 1.625% | 1.625% | 1.625%
Debt issuance costs | $ 1,500 | $ 6,500 |
Convertible Senior Notes Due 2028 | Convertible Debt |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Long-term debt | 0 | 60,352 |
Fair Value | $ 0 | $ 225,771 |
Fixed interest rate | 4.00% | 4.00% |
Debt issuance costs |  | $ 1,600 |
Convertible Senior Notes Due 2030 | Convertible Debt |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Long-term debt | $ 391,504 | 0 |
Fair Value | $ 398,302 | $ 0 |
Fixed interest rate | 0.00% |  |
Debt issuance costs | $ 11,000 |  |

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