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Earnings per Share - Potential Common Stock Equivalents Excluded From Computation of Diluted Earning Per Share (Details) - $ / shares shares in Thousands	3 Months Ended		6 Months Ended
	Aug. 03, 2019	Aug. 04, 2018	Aug. 03, 2019	Aug. 04, 2018
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti dilutive shares		489	415	458
Stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti dilutive shares	865	1,147	850	1,147
Range of exercise prices of such options, minimum	$ 1.85	$ 1.85	$ 2.00	$ 1.85
Range of exercise prices of such options, maximum	$ 7.02	$ 7.02	$ 7.02	$ 7.02
Restricted stock units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti dilutive shares	1,056	80	1,040	80
Restricted and Deferred Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti dilutive shares	85	30	63	36

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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