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Reconciliation of Beginning and Ending Gross Amount of Unrecognized Tax Benefits (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015
Income Tax Contingency [Line Items]
Balance at beginning of year	$ 43,326	$ 55,619	$ 48,680
Additions for uncertain tax positions taken in current year	7,018	2,248	4,771
Additions for uncertain tax positions taken in prior years	327	11,707	5,278
Reductions for uncertain tax positions taken in prior years	(334)	(23,874)	(2,747)
Reductions resulting from lapse of statute of limitations	(1,245)	(389)
Settlements with tax authorities		(1,985)	(363)
Balance at end of year	$ 49,092	$ 43,326	$ 55,619

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Amount of unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15A
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=65882285&loc=SL6600010-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Unrecognized Tax Benefit
-URI http://asc.fasb.org/extlink&oid=6527854

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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-Name Accounting Standards Codification
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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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-Name Accounting Standards Codification
-Topic 740
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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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