Share-Based Compensation (Restricted Stock Units Assumptions) (Details) - $ / shares	6 Months Ended
Jul. 30, 2022	Jul. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Document Period End Date	Jul. 30, 2022
City Area Code	(614)
Market-based restricted stock units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant date market price (in dollars per share)	$ 32.07	$ 31.78
Fair value (in dollars per share)	$ 45.15	$ 49.81
Price volatility	66.00%	66.00%
Expected term (years)	2 years 10 months 24 days	2 years 10 months 24 days
Risk-free interest rate	2.30%	0.30%
Dividend yield	0.00%	0.00%
Average volatility of peer companies	72.90%	72.00%
Average correlation coefficient of peer companies	0.5146	0.4694

Share-based Compensation Assumption, Average Correlation Coefficient of Peer Companies

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- Definition

The assumption of average volatility of peer companies that is used in valuing an option or stock unit on its own shares.

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Area code of city

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For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD.

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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- Definition

The risk-free interest rate assumption that is used in valuing an option on its own shares.

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Rate of weighted-average expected volatility for award under share-based payment arrangement.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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- Definition

Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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