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Reconciliation of U.S. Federal Statutory Income Tax Rate and Worldwide Effective Income Tax Rate (Detail)	12 Months Ended
	Feb. 02, 2019	Feb. 03, 2018	Jan. 28, 2017
Income Tax Disclosure [Abstract]
U.S. federal statutory income tax rate	21.00%	33.70%	35.00%
Effective state income tax rate	4.50%	3.60%	3.50%
Impact of foreign operations	1.20%	(0.10%)	(0.20%)
Excess share-based compensation	(1.20%)	(1.30%)	0.00%
Impact of 2017 Tax Act	1.50%	(2.30%)	0.00%
All other	(0.30%)	(1.20%)	0.00%
Worldwide effective income tax rate	26.70%	32.40%	38.30%

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Effective Income Tax Rate Reconciliation Tax Cuts And Jobs Act Of 2017 Change In Tax Rate

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile.

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