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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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The number of grants made 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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The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

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Number of shares authorized for issuance under share-based payment arrangement.

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Gross number of share options (or share units) granted during the period.

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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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Number of shares issued under share-based payment arrangement.

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Percentage of vesting of award under share-based payment arrangement.

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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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Share-Based Compensation Plans - Additional Information (Details) - USD ($)		12 Months Ended
	Feb. 05, 2020	Feb. 09, 2025	Feb. 03, 2024	Jan. 28, 2023	Jan. 29, 2022	Jan. 30, 2021	Jun. 30, 2020
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation cost				$ 100,000	$ 100,000	$ 100,000
Nonvested Restricted Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation cost				12,900,000	$ 8,300,000	$ 7,400,000
Unrecognized share-based compensation cost				$ 23,700,000
Grant to Employees and Performance-Based Compensation (Shares)				299,068	228,444	427,741
Forfeited shares (in shares)				31,057	6,885	147,085
Weighted average expected period nonvested share-based compensation				1 year 8 months 8 days
2020 Equity Incentive Plan \| Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation for restricted stock value grant in period				$ 120,000	$ 107,500
Share-based compensation cost				$ 1,000,000.0	$ 700,000
2020 Equity Incentive Plan \| Executive Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, shares issued (in shares)				77,487
2020 Equity Incentive Plan \| New Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, shares issued (in shares)				0	504
2020 Equity Incentive Plan \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, shares authorized (in shares)				1,800,000
2020 Equity Incentive Plan \| Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting term				4 years
2020 Equity Incentive Plan \| Stock Options \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option's term				10 years
2020 Equity Incentive Plan \| Stock Options \| Vesting percentage - Year 1
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Annual vesting percentage				25.00%
2020 Equity Incentive Plan \| Stock Options \| Vesting percentage - Year 2
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Annual vesting percentage				25.00%
2020 Equity Incentive Plan \| Stock Options \| Vesting percentage - Year 3
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Annual vesting percentage				25.00%
2020 Equity Incentive Plan \| Stock Options \| Vesting percentage - Year 4
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Annual vesting percentage				25.00%
2020 Equity Incentive Plan \| Nonvested Restricted Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Depletion ratio				2.0
Share-based compensation, shares issued (in shares)				221,581	228,444
Grant to Employees and Performance-Based Compensation (Shares)				299,068
Share-based compensation, restricted stock units issued (in shares)				846	919	621
2020 Equity Incentive Plan \| Nonvested Restricted Shares \| Scenario Forecast
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Annual vesting percentage		33.33%	66.67%
2020 Equity Incentive Plan \| Nonvested Restricted Shares \| Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, shares issued (in shares)				16,536	14,936
2009 Equity Incentive Plan \| CEO
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	26,620
Share-based compensation for stock option value grant in period	$ 500,000
2009 Equity Incentive Plan \| Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation for restricted stock value grant in period						$ 91,375
Share-based compensation cost						$ 900,000
Restriction period				3 years
2009 Equity Incentive Plan \| New Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, shares issued (in shares)						1,338
2009 Equity Incentive Plan \| Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock option's term						6 years 3 months
Expected volatility						45.00%
Risk free rate						1.52%
Fair value per share (in dollars per share)						$ 18.78
Unrecognized share-based compensation cost				$ 100,000
Compensation expense capitalized				$ 0
2009 Equity Incentive Plan \| Nonvested Restricted Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting term				4 years
Share-based compensation, shares issued (in shares)						427,741
2009 Equity Incentive Plan \| Nonvested Restricted Shares \| Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, shares issued (in shares)						28,266
2009 Equity Incentive Plan \| Nonvested Restricted Shares \| Vesting percentage - Year 1
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Annual vesting percentage				25.00%	25.00%	25.00%
2009 Equity Incentive Plan \| Nonvested Restricted Shares \| Vesting percentage - Year 2
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Annual vesting percentage				25.00%	25.00%	25.00%
2009 Equity Incentive Plan \| Nonvested Restricted Shares \| Vesting percentage - Year 3
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Annual vesting percentage				25.00%	25.00%	25.00%
2009 Equity Incentive Plan \| Nonvested Restricted Shares \| Vesting percentage - Year 4
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Annual vesting percentage				25.00%	25.00%	25.00%
2009 Equity Incentive Plan \| Director Retainer Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation, shares issued (in shares)						10,457
Forfeited shares (in shares)						2,965
2020 Restricted Cash Incentive Program
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash award, granted amount							$ 2,700,000
Cash award, compensation expense recognized				$ 600,000	$ 700,000	$ 400,000
Cash award, vesting term				4 years
2020 Restricted Cash Incentive Program \| Vesting percentage - Year 1
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash award, annual vesting percentage				25.00%
2020 Restricted Cash Incentive Program \| Vesting percentage - Year 2
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash award, annual vesting percentage				25.00%
2020 Restricted Cash Incentive Program \| Vesting percentage - Year 3
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash award, annual vesting percentage				25.00%
2020 Restricted Cash Incentive Program \| Vesting percentage - Year 4
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash award, annual vesting percentage				25.00%
Addition to the 2009 Equity Incentive Plan \| Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting term				3 years
Addition to the 2009 Equity Incentive Plan \| Nonvested Restricted Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting term				3 years