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12. Income Taxes (Details) - USD ($)	3 Months Ended		9 Months Ended
	Oct. 29, 2017	Oct. 30, 2016	Oct. 29, 2017	Oct. 30, 2016	Jan. 29, 2017
Income Tax Disclosure [Abstract]
Income Tax Expense (Benefit)	$ 4,006,000	$ 3,453,000	$ 10,574,000	$ 7,737,000
Effective Income Tax Rate Reconciliation, Percent	35.70%	34.80%	34.90%	35.10%
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	$ 129,000		$ 129,000		$ 201,000

X

- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h)(2))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 9
-Subparagraph (a),(b)
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-Publisher FASB
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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

+ References

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-Name Accounting Standards Codification
-Topic 740
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