Income Taxes	3 Months Ended
Income Taxes	May 01, 2021
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes Our interim income tax provisions are based on the effective income tax rate expected to be applicable for the full fiscal year, adjusted for specific items that are required to be recognized in the period in which they occur. Deferred tax assets and liabilities are based on the enacted tax rate that will apply in future periods when such assets and liabilities are expected to be settled or realized. Our effective income tax rate was 149.1% and (9.0)% for the three months ended May 1, 2021 and April 25, 2020, respectively. The effective tax rate differs from the statutory rate each period primarily due to the difference in income tax rates from state to state where work was performed, changes in unrecognized tax benefits, tax law changes, tax credits recognized, variances in non-deductible and non-taxable items, and the impact of the vesting and exercise of share-based awards during the periods. Additionally, during the three months ended April 25, 2020, our effective tax rate was impacted by a $53.3 million goodwill impairment charge which was mostly non-deductible for income tax purposes, and the benefit from a $2.6 million tax loss carryback technical correction under the CARES Act.

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.