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Stockholders Equity [Line Items]

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

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

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- Definition

The cash outflow to reacquire common stock during the period.

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Amount of cash inflow from exercise of option 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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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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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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

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

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The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

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No definition available.

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The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

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Number of shares that have been repurchased during the period and are being held in treasury.

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STOCKHOLDERS' EQUITY - Textuals (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021	Mar. 31, 2022	Jan. 31, 2020
Stockholders Equity [Line Items]
Aggregate number of shares authorized for repurchase				10,000,000
Stock repurchase program, remaining shares authorized	8,412,419
Common stock share acquired	1,587,581	656,213	0
Aggregate purchase price	$ 26,949	$ 17,300
Granted	0	0	0
Proceeds from exercise of equity awards			$ 297
Stock options outstanding	0	10,000	18,245		39,311
Long-Term Incentive Stock Plan
Stockholders Equity [Line Items]
Shares available for grant	2,214,053
Restricted Stock Units (RSUs)
Stockholders Equity [Line Items]
Vesting and exercise period of awards	3 years
Restricted Stock Units (RSUs) \| Long-Term Incentive Stock Plan
Stockholders Equity [Line Items]
Vesting and exercise period of awards	3 years
Share-based compensation expense	$ 32,500	$ 17,400	$ 6,100
Unrecognized stock compensation related to unvested option awards	20,800	21,200	12,900
Fair value of award for which restrictions lapsed	$ 20,400	10,800	5,000
Performance Shares [Member]
Stockholders Equity [Line Items]
Vesting and exercise period of awards	3 years
Lock up period after vesting	2 years
Performance Shares [Member] \| Minimum
Stockholders Equity [Line Items]
Vesting and exercise period of awards	2 years
Performance Shares [Member] \| Maximum
Stockholders Equity [Line Items]
Vesting and exercise period of awards	5 years
Stock Options
Stockholders Equity [Line Items]
Proceeds from exercise of equity awards	$ 0	0
Share-based compensation expense	$ 0	$ 0	$ 100