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Stock repurchased average price per share.

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No definition available.

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- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 50

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-Subparagraph (c)

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Contingent Stock Agreement

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- Definition

Face amount or stated value per share of common stock.

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

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- Definition

The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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- Definition

Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

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-Publisher FASB

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The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

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Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

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Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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-Paragraph 29, 30, 31

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Amount of stock repurchase plan authorized.

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Number of shares that have been repurchased during the period and are being held in treasury.

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Earnings Per Share and Shareholders Equity - Additional Information (Detail) (USD $)	3 Months Ended		12 Months Ended
	Jan. 30, 2015	Jan. 31, 2014	Oct. 31, 2014	Jun. 19, 2014
Earnings Per Share And Shareholders Equity [Line Items]
Anti-dilutive shares excluded from computation of earnings per share	274,950	194,900
Preferred stock shares authorized	25,000us-gaap_PreferredStockSharesAuthorized
Preferred stock, par value	$ 100
Common stock, shares authorized	60,000,000us-gaap_CommonStockSharesAuthorized		60,000,000us-gaap_CommonStockSharesAuthorized
Common stock, par value	$ 0.20		$ 0.20
Preferred stock shares outstanding			0us-gaap_PreferredStockSharesOutstanding
Approved and authorized amount under the stock repurchase program				$ 200,000,000
Stock repurchased during period, shares	849,648us-gaap_TreasuryStockSharesAcquired		269,228us-gaap_TreasuryStockSharesAcquired
Stock repurchased average price per share	$ 109.02
Aggregate value of repurchased stock	$ 92,600,000
Series B Preferred Stock
Earnings Per Share And Shareholders Equity [Line Items]
Preferred stock shares authorized	475,000
Preferred stock, par value	$ 1.00
Preferred stock shares outstanding			0