Net Income (Loss) Per Share Share Repurchase Program (Details) (USD $) In Thousands, except Share data in Millions, unless otherwise specified	3 Months Ended	9 Months Ended	3 Months Ended
Nov. 01, 2014	Aug. 02, 2014	Nov. 01, 2014	Nov. 02, 2013	May 03, 2014 Accelerated Share Repurchase
Share Repurchases [Line Items]
Payments for Repurchase of Common Stock	$ 75,000	$ 60,000	$ 285,038	$ 115,806	$ 150,000
Stock Repurchased During Period, Shares	2.0	1.5			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