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Williams-Sonoma, Inc. 401(k) Plan and Other Associate Benefits (Details) - USD ($) $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jul. 31, 2022 | Feb. 02, 2025 | Jan. 28, 2024 | Jan. 29, 2023
Compensation Related Costs [Abstract] |  |  |  |
Defined contribution retirement plan, maximum percentage of salary deferral contributions by employee |  | 75.00% |  |
Employer matching contribution |  | 50.00% |  |
Defined contribution retirement plan, maximum percentage of salary deferral contributions subject to match by employer |  | 6.00% |  |
Years of service required to be eligible for company matching contributions |  | 1 year |  |
Vesting percentage | 100.00% |  |  |
Service period (in years) | 1 year |  |  |
Contributions to the profit sharing plan |  | $ 14.2 | $ 13.6 | $ 11.4
Deferred compensation liabilities included in other long-term obligations |  | 49.4 | 44.9 |
Cash surrender value of the life insurance policies |  | $ 53.6 | $ 45.9 |

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