Taxes on Income - Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
Feb. 02, 2019	Feb. 03, 2018	Jan. 28, 2017
Reconciliation of beginning and ending amount of unrecognized tax benefits
Gross unrecognized tax benefits at beginning of year	$ 3,846	$ 3,977
Additions, Tax positions taken in prior years		315
Additions, Tax positions taken in the current year	426	1,609
Reductions, Tax positions taken in prior years	(261)
Settlement with taxing authorities		(38)
Lapse in statute of limitations	(595)	(2,017)
Gross unrecognized tax benefits at year end	3,416	3,846
Interest recognized related to unrecognized tax benefits	100	$ 100
Total amount of anticipated decrease in unrecognized tax benefits in the next 12 months, minimum	3,400
Amount of unrecognized tax benefit that, if recognized, would affect the effective tax rate	$ 2,000		$ 3,900

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

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of unrecognized tax benefits.

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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 decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of interest expense for an underpayment of income taxes.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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