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Stock-Based Compensation - Summary of Activity for Non-Vested Shares under Two Thousand Six And Two Thousand Sixteen Plan (Parenthetical) (Details) - USD ($)		3 Months Ended
		May 05, 2018	Apr. 29, 2017
Deferred stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares granted		21,494	19,143
2016-2017 Long Term Incentive Plan | Time-Based RSUs
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares vested		171,798
Number of shares of common stock issued		165,108
Employee Stock Plan, 2006 Plan and 2016 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares vested		200,491
Shares granted		382,735
Shares granted during the period, fair value		$ 51,084
Share-based compensation arrangement by share-based payment award, vesting period		3 years
Percentage of quarterly retainer		50.00%
Employee Stock Plan, 2006 Plan and 2016 Plan | Certain Directors
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares granted		26,080
Shares granted during the period, fair value		$ 63,896
Employee Stock Plan, 2006 Plan and 2016 Plan | Deferred stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares vested	[1]	2,613
Shares granted		21,494
Employee Stock Plan, 2006 Plan and 2016 Plan | Deferred stock | Certain Directors
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares granted	[1]	21,494
[1] The 21,494 shares of deferred stock, with a fair value of $51,084, represent compensation to certain directors in lieu of cash, in accordance with their irrevocable elections. The shares of deferred stock will vest three years from the date of grant or at separation of service, based on the irrevocable election of each director.

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+ 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)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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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).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ 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 (c)(2)(iii)(2)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 210
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-Name Accounting Standards Codification
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-Name Accounting Standards Codification
-Topic 505
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Gross value of stock (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP). Stock issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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