Taxes on Income - Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
Taxes on Income
Amount of unrecognized tax benefit that, if recognized, would affect the effective tax rate	$ 1,900	$ 3,900
Total amount of anticipated decrease in unrecognized tax benefits in the next 12 months, minimum	3,800
Interest recognized related to unrecognized tax benefits	100	100	$ 100
Unrecognized tax benefits would, if recognized, impact the Company’s effective tax rate	2,017		183
Reconciliation of beginning and ending amount of unrecognized tax benefits
Gross unrecognized tax benefits at beginning of year	3,977		449
Additions, Tax positions taken in prior years	315	2,566
Additions, Tax positions taken in the current year	1,609	1,411
Reductions, Tax positions taken in prior years			(96)
Settlement with taxing authorities	(38)		(170)
Lapse in statute of limitations	(2,017)		$ (183)
Gross unrecognized tax benefits at year end	$ 3,846	$ 3,977

Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (d)(3)
-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32718-109319

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Amount of unrecognized tax benefits.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15A
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=65882285&loc=SL6600010-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Unrecognized Tax Benefit
-URI http://asc.fasb.org/extlink&oid=6527854

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of interest expense for an underpayment of income taxes.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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