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Stock Compensation Plans - Additional Information (Details) - USD ($) $ in Millions |  | 12 Months Ended
--- | --- | ---
Aug. 04, 2016 | Feb. 03, 2018
Non Employee Directors |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Percentage of annual retainer |  | 50.00%
2016 Plan |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Incentive plan expiration date |  | Jul. 31, 2016
Common stock reserve, shares | 5,200,000 |
Reduction in outstanding reserve for share granted | 1.00% |
Reduction in outstanding reserve for share granted, full-value award | 1.90% |
Share-based compensation arrangement by share-based payment award, description |  | In addition to the initial share reserve of 5,200,000 shares, the 525,538 shares that remained available under the 2006 Plan were added and became available for issuance under the 2016 Plan on August 4, 2016. In accordance with the terms of the 2016 Plan, any shares outstanding under the 2006 Plan at August 4, 2016 that subsequently terminate, expire or are canceled for any reason without having been exercised or paid are added back and become available for issuance under the 2016 Plan, with options and stock appreciation rights being added back on a one-for-one basis and full-value awards being added back on a 1 to1.9 basis. Accordingly, an additional 3,610,963 shares have been added to share availability under the 2016 Plan since August 2016. At February 3, 2018, the Company had 6,536,551 shares available under the 2016 Plan.
Shares available for grant |  | 6,536,551
Number of additional shares authorized | 525,538 | 3,610,963
Performance based compensation description |  | Plan are added back and become available for issuance under the 2016 Plan, with options and stock appreciation rights being added back on a one-for-one basis and full-value awards being added back on a 1 to1.9 basis.
Percent of shares available for awards | 5.00% |
Share-based compensation description |  | Except with respect to 5% of the shares available for awards under the 2016 Plan, no award will become exercisable or otherwise forfeitable unless such award has been outstanding for a minimum period of one year from its date of grant.
Employee Stock Plan, 2006 Plan and 2016 Plan |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |
Options exercised |  | 0
Unrecognized stock compensation |  | $ 1.8
Unrecognized stock compensation cost weighted average recognition period |  | 20 months

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- Definition Maximum percent of shares under the equity plan that can be granted to a participant without vesting provisions (percent). + References No definition available. + Details
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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=96867065&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 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=96867065&loc=d3e5070-113901 + Details
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- Definition General descriptive information regarding an arrangement under which employees and directors receive: (a) awards of equity shares, equity share options, or other equity instruments; or (b) the entity incurs liabilities to them: (1) in amounts based, at least in part, on the price of the entity's shares or other equity instruments; or (2) that require or may require settlement by issuance of the entity's shares. Such an arrangement is usually provided to employees and directors to compensate them, provide performance incentives to them, and to attract or retain their services. May also include pertinent information particular to a plan that is not elsewhere specified in the taxonomy. + 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) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5047-113901 + Details
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- Definition Date the equity-based award expires, in CCYY-MM-DD format. + 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)(2) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). + 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)(3) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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