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Stock Repurchase Program - Summary of Stock Repurchase Activities (Details) - USD ($) $ in Thousands | 12 Months Ended | 142 Months Ended
--- | --- | ---
Jan. 26, 2020 | Jan. 27, 2019 | Jan. 28, 2018 | Jan. 26, 2020
Equity, Class of Treasury Stock [Line Items] |  |  |  |
Repurchased shares of common stock, cost | $ 70,219 | $ 116,210 | $ 14,849 | $ 337,800
Shares repurchased under the 2011 program |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |
Repurchases, shares | 1,471,703 | 2,448,133 | 442,607 |
Repurchased shares of common stock, cost | $ 70,219 | $ 116,210 | $ 14,849 |

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