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Summary of Significant Accounting Policies - Reconciliation of the Revision of Condensed Consolidated Statement of Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 30, 2016	Aug. 01, 2015	Jul. 30, 2016	Aug. 01, 2015
Significant Accounting Policies [Line Items]
Net sales	$ 189,804	$ 166,935	$ 341,419	$ 306,093
Cost of goods sold	123,619	108,933	226,762	204,940
Gross profit	$ 66,185	58,002	$ 114,657	101,153
As Previously Reported
Significant Accounting Policies [Line Items]
Net sales		172,985		317,478
Cost of goods sold		114,983		216,325
Gross profit		58,002		101,153
Revision
Significant Accounting Policies [Line Items]
Net sales		(6,050)		(11,385)
Cost of goods sold		$ (6,050)		$ (11,385)

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Significant accounting policies.

+ References

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Total costs related to goods produced and sold during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2(a))
-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1,2)
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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
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