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Stock repurchased and retired under authorization.

+ References

No definition available.

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- Definition

Aggregate dividends paid during the period for each share of common stock outstanding.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

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- Definition

Date the declared dividend will be paid, in CCYY-MM-DD format.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586

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The per share amount of a dividend declared, but not paid, as of the financial reporting date.

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Date the dividend to be paid was declared, in CCYY-MM-DD format.

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- Definition

Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

+ References

No definition available.

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- Definition

The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

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No definition available.

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Earnings Per Share (EPS), Share Repurchase and Dividends (Detail 2) (USD $)	12 Months Ended		0 Months Ended
	Jan. 30, 2015	Jan. 31, 2014	Mar. 25, 2015
Computation Of Earnings Per Share [Line Items]
Cash dividends paid per share	$ 1.12	$ 0.56
Cash dividends declared per share	$ 1.12	$ 0.56
Subsequent Event
Computation Of Earnings Per Share [Line Items]
Dividends declared per share			$ 0.28
Dividend declared date			Mar. 25, 2015
Dividend payable date			Apr. 30, 2015
Dividend to stockholders of record date			Apr. 15, 2015
Quarterly Dividend
Computation Of Earnings Per Share [Line Items]
Cash dividends paid per share	$ 0.28
Cash dividends declared per share	$ 0.28
Share Repurchase Plan
Computation Of Earnings Per Share [Line Items]
Shares repurchased under the repurchase plan	3,500,000
Maximum \| Share Repurchase Plan
Computation Of Earnings Per Share [Line Items]
Shares authorized to be repurchased under the repurchase plan	5,000,000