Summary of Significant Accounting Policies - Share-based Compensation - Performance-based Restricted Stock Units (Details) - Performance-based restricted stock units - USD ($) shares in Thousands, $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Oct. 28, 2017 |
Oct. 29, 2016 |
Oct. 28, 2017 |
Oct. 29, 2016 |
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| Performance-based restricted stock units | ||||
| Issued (in shares) | 21 | 24 | ||
| Compensation expense | $ 1,618 | $ 1,468 | $ 4,437 | $ 2,903 |
| Unrecognized compensation cost | $ 9,708 | $ 9,708 | ||
| 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Unrecognized cost of unvested share-based compensation awards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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| X | ||||||||||
- Definition The number of grants made 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). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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