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v3.20.1

Reconciliation of Income Taxes At Federal Statutory Rate to Effective Rate (Detail) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 03, 2019 | Feb. 02, 2020 | Jan. 28, 2018
Reconciliation of Statutory Federal Tax Rate [Line Items] |  |  |
Federal income taxes at the statutory rate | 21.00% | 21.00% | 33.90%
Re-measurement of deferred tax assets / liabilities | (2.20%) |  | 6.70%
Transition tax | (0.60%) |  | 2.90%
State income tax rate | 3.80% | 2.90% | 2.50%
Officer's compensation under Sec.162(m) |  | 1.00% |
Deferred true up |  | (1.30%) |
Change in uncertain tax positions | 4.10% | 0.50% | (1.60%)
Rate differential | (2.30%) | (1.80%) | (2.90%)
Research and development credits | (2.10%) | (0.70%) |
Other | 0.60% | 0.50% | 1.10%
Effective tax rate | 22.30% | 22.10% | 42.60%

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