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Stock Based Compensation (Fair Value of Restricted Stock Awards During the Period) (Details) - $ / shares | 12 Months Ended
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Jan. 28, 2017 | Jan. 30, 2016 | Jan. 31, 2015
Restricted Stock Units [Member] |  |  |
Granted, weighted average fair value | $ 40.02 | $ 62.61 | $ 59.41

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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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Period Type: | duration

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- Details
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Data Type: | na
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Period Type: |