Employee service share based compensation shortfall tax benefit on Exercises of stock options.

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Employee service share based compensation windfall tax expense on vested stock awards.

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Payments related to tax withholding for share based compensation exercise of stock options.

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- Definition

Share based compensation arrangement by share based payment award number of shares issued of target number of underlying stock award units percentage.

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- Definition

Share based compensation arrangement by share based payment award options exercisable period.

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- Definition

Sharebased compensation arrangement by sharebased payment award equity instruments other than options aggregate fair value.

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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Weighted-average period over which cost not yet recognized is expected to be recognized for 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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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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Amount of cost to be recognized for option under share-based payment arrangement.

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Amount of cash outflow to satisfy grantee's tax withholding obligation for award under share-based payment arrangement.

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Amount of cash inflow from exercise of option under share-based payment arrangement.

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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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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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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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Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement.

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Stock-Based Compensation - Additional Information (Details) - USD ($)		12 Months Ended
	Apr. 04, 2013	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock options granted		170,493	201,875	550,000
Compensation expense		$ 2,300,000	$ 1,500,000	$ 300,000
Unrecognized compensation cost related to unvested stock options		$ 2,900,000
Weighted-average period		1 year 7 months 6 days
Cash received for stock option exercises		$ 1,600,000	$ 3,500,000	$ 0
Common stock tendered by employee for withholding tax obligation		28,405	56,097	49,283
Employee's withholding tax obligation		$ 1,100,000	$ 1,700,000	$ 500,000
Employee's withholding tax obligation for exercise of stock options			5,100,000
Tax benefit on exercises of stock options		43,000
Stock Award Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Compensation expense		$ 3,400,000	3,500,000	5,100,000
Weighted-average period		1 year 8 months 12 days
Unrecognized compensation cost		$ 3,800,000
Fair value of stock award units vested		3,600,000	7,500,000	5,500,000
Fair value of unvested stock award units		8,500,000	$ 7,800,000	12,100,000
Tax expense on vested stock awards		$ 200,000
Stock Award Units \| Corporate Initiatives
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Compensation expense				$ 400,000
Performance-Based Stock Awards \| Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares issued percentage of target number of underlying stock award units		0.00%
Performance-Based Stock Awards \| Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares issued percentage of target number of underlying stock award units		150.00%
Stock Options
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock tendered by employee for withholding tax obligation			31,731
Employee's withholding tax obligation			$ 1,400,000
Stock Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of common stock shares	11,000,000
Options granted to participants exercisable period	3 years