Subsequent Events (Details) (USD $) In Millions, except Per Share data	0 Months Ended	9 Months Ended
Nov. 21, 2011	Nov. 17, 2011	Oct. 29, 2011	Oct. 30, 2010
Subsequent Events [Abstract]
Dividends declared per share		$ 0.05	$ 0.15	$ 0.12
Dividend payable date		Dec. 19, 2011
Date of record		Dec. 05, 2011
Cancelled share repurchase program, remaining balance		$ 24.2
New share repurchase program amount	$ 200

Stock Repurchase Cancelled Program Remaining Authorized Repurchase Amount

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- Definition

Aggregate dividends declared 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=6959260&loc=d3e187085-122770

+ Details

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Period Type:	duration

- Definition

The day, month, and year (YYYY-MM-DD) that the dividend declared as of or prior to the financial reporting date will be paid in the subsequent period.

+ 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

+ Details

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- Definition

The date as of when a holder must own the stock to be entitled to the dividend. The ex-dividend date is generally 3 days before the record date.

+ Details

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- Definition

The amount authorized by an entity's Board of Directors under a stock repurchase plan.

+ Details

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- Details

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