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Summary of Stock-Settled Stock Appreciation Right Activity (Parenthetical) (Detail)	12 Months Ended
	Jan. 28, 2018 $ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Market value on the last business day of the fiscal year	$ 53.41
Stock-Settled Stock Appreciation Rights
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vested percentage	100.00%

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Percentage of vesting of share-based compensation awards.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

Market value on last business day of fiscal year.

+ References

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