Net Income (Loss) Per Share ASR Agreement (Details) (USD $) In Thousands, except Share data in Millions, unless otherwise specified	3 Months Ended
May 03, 2014	May 04, 2013
Accelerated Share Repurchases [Line Items]
Payments for repurchase of common stock from Goldman Sachs & Co.	$ 150,000	$ 16,305
Accelerated Share Repurchase
Accelerated Share Repurchases [Line Items]
Payments for repurchase of common stock from Goldman Sachs & Co.	$ 150,000
Shares repurchased from Goldman Sachs & Co.	3.1
Additional shares received from accelerated share repurchase program	0.7

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern 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.

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 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

Name:	us-gaap_StockRepurchasedDuringPeriodShares
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration