STOCKHOLDERS' EQUITY - Textuals (Details) - USD ($) $ in Thousands	12 Months Ended
Jan. 31, 2021	Jan. 31, 2020	Jan. 31, 2019
Stockholders Equity [Line Items]
Number of shares authorized to be repurchased under prior program	5,000,000
Common stock share acquired	0	1,327,566	723,072
Aggregate purchase price		$ 35,216	$ 20,311
Granted	0	0	8,245
Lock up period after vesting	2 years
Proceeds from exercise of equity awards	$ 297	$ 115	$ 101
Long-Term Incentive Stock Plan
Stockholders Equity [Line Items]
Shares available for grant	1,811,490
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	$ 6,100	17,600	19,700
Unrecognized stock compensation related to unvested option awards	12,900	18,700	19,400
Fair value of award for which restrictions lapsed	$ 5,000	31,000	17,500
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]
Weighted average remaining term for stock options outstanding	1 year 6 months
Aggregate intrinsic value for stock options outstanding	$ 100
Aggregate intrinsic value for stock option exercisable	100
Proceeds from exercise of equity awards	300	100
Intrinsic value of stock options exercised	100	300
Share-based compensation expense	$ 100	$ 100	$ 0
Stock Options \| Maximum
Stockholders Equity [Line Items]
Vesting and exercise period of awards	10 years

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Represents stock repurchase program number of shares authorized to be repurchased under prior program.

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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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The cash outflow to reacquire common stock during the period.

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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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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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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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

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

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