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Summary of Significant Accounting Policies - PPE and Insurance Liabilities (Details) - USD ($)	12 Months Ended
	Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
Fiscal Year
Length of fiscal year	371 days	364 days	364 days
Impairment of long lived assets
Non-cash impairment expense related to leasehold improvements and fixtures and equipment	$ 500,000	$ 300,000	$ 0
Insurance Liabilities
Self-insured retention or deductible amount per claim for workers' compensation	250,000
Self-insured retention or deductible amount per claim for employee medical	$ 100,000
Furniture and Fixtures | Minimum
Property and Equipment, net
Estimated useful lives	3 years
Furniture and Fixtures | Maximum
Property and Equipment, net
Estimated useful lives	5 years
Leasehold Improvements | Minimum
Property and Equipment, net
Estimated useful lives	5 years
Leasehold Improvements | Maximum
Property and Equipment, net
Estimated useful lives	7 years
Building and Building Improvements | Minimum
Property and Equipment, net
Estimated useful lives	15 years
Building and Building Improvements | Maximum
Property and Equipment, net
Estimated useful lives	20 years

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84176398&loc=d3e2921-110230

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=64827811&loc=d3e1361-107760

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