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Stock Based Compensation - Additional Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	May 03, 2014	May 04, 2013
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share based compensation expense	$ 1,208
Share-based Compensation Arrangement by Share-based Payment Award, Plan Modification, Description and Terms	Under the terms of the restricted stock unit agreements, twenty-five percent of the outstanding restricted stock units vested on the effective date of the registration statement relating to the initial public offering because such date occurred within the first vesting period of the outstanding restricted stock units. The Company recognized $1,208 of stock-based compensation expense as a result of the change in the vesting date. The remaining non-vested restricted stock units will vest one third annually on each of the first three anniversaries of the effective date of the registration statement relating to the offering
Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Outstanding restricted stock units vested, percentage	25.00%
Share based compensation expense	$ 1,734	$ 0
Restricted Stock Units | Non Vested
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Outstanding restricted stock units vested, percentage	33.33%

X

- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 1

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 14

-Section F

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- Definition

Percentage of vesting of 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 (a)(1)

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- Definition

Description of significant modifications (such as a change in expiration dating, vesting rights, or exercise prices) to an equity-based compensation plan, including the terms of the modifications.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

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