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Income Taxes - Additional Information (Detail) - USD ($)	3 Months Ended
	Apr. 29, 2017	Apr. 30, 2016	Jan. 28, 2017
Income Taxes [Line Items]
Effective income tax rate	35.60%	38.40%
Net unrecognized tax benefits	$ 39,000,000	$ 35,300,000	$ 38,500,000
Accrued amounts for interest and penalties	8,000,000	$ 7,400,000	$ 8,000,000
Minimum
Income Taxes [Line Items]
Possible decrease in unrecognized tax benefits that would reduce the provision for taxes on earnings	0
Maximum
Income Taxes [Line Items]
Possible decrease in unrecognized tax benefits that would reduce the provision for taxes on earnings	$ 13,000,000

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Income Taxes [Line Items]

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Unrecognized Tax Benefits Net of Federal Tax Benefit

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Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (d)(3)
-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32718-109319

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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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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
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-Section S99
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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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