10. Earnings Per Share (Details) (Restricted Stock [Member])	6 Months Ended
Aug. 03, 2014
Restricted Stock [Member]
10. Earnings Per Share (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Terms of Award	Each RSU entitles the recipient to receive one share of the Company's common stock if the recipient remains continuously employed with the Company through the end of a three-year service period
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period	3 years

Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration