Share-Based Compensation - Unrecognized Compensation Expense and Period for Recognition (Details) $ in Millions	12 Months Ended
Jan. 30, 2016 USD ($)
Restricted Stock and Restricted Stock Units [Member]
Unrecognized Compensation Expense and Period for Recognition [Line Items]
Unrecognized Share-based Compensation Expense	$ 20.4
Period for recognition	1 year 9 months 25 days
Stock Options [Member]
Unrecognized Compensation Expense and Period for Recognition [Line Items]
Unrecognized Share-based Compensation Expense	$ 3.0
Period for recognition	1 year 5 months 4 days

Unrecognized Compensation Expense and Period for Recognition [Line Items]

No definition available.

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- Definition

Unrecognized cost of unvested share-based compensation awards.

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

+ Details

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

+ Details

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- Details

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- Details

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