Share-Based Plans Share-Based Plans - Options (Details) - Stock Options [Member] - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	9 Months Ended
May 04, 2019	Feb. 02, 2019
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding stock options, beginning balance	237,501
Exercised	(6,250)
Forfeited	(77,500)
Outstanding stock options, ending balance	153,751	237,501
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Options, Vested and Expected to Vest, Outstanding, Number	153,751
Options, Exercisable, Number	153,751
Options, Outstanding, Weighted Average Exercise Price	$ 35.76	$ 38.30
Options, Exercises in Period, Weighted Average Exercise Price	32.04
Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price	43.85
Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price	35.76
Options, Exercisable, Weighted Average Exercise Price	$ 35.76
Options, Outstanding, Weighted Average Remaining Contractual Term	10 months 24 days
Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term	10 months 24 days
Options, Exercisable, Weighted Average Remaining Contractual Term	10 months 24 days
Options, Outstanding, Intrinsic Value	$ 288
Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value	288
Options, Exercisable, Intrinsic Value	$ 288
Award Requisite Service Period	4 years
Share-based Compensation Arrangement by Share-based Payment Award, Award Term	7 years

Share-based Compensation Arrangement by Share-based Payment Award, Award Term

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Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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Weighted average price of options that were either forfeited or expired.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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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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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for fully vested and expected to vest options outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Number of share options (or share units) exercised during the current period.

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