STOCK-BASED COMPENSATION - Summary of Change in restricted stock units (Details) - Restricted Stock Units - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2022
Shares
Outstanding, Beginning balance (in shares)	310
Awarded (in shares)	129	146,871	145,721
Issued (in shares)	(42)
Forfeited (in shares)	(49)
Outstanding, Ending balance (in shares)	348	310
Outstanding (in shares)	348	310
Weighted Average Grant Date Fair Value Per Share
Outstanding, Beginning balance Fair value (Per share)	$ 30.80
Awarded, Fair value (Per share)	30.46	$ 29.26	$ 39.52
Issued, Fair value (Per share)	43.80
Forfeited, Fair value (Per share)	15.57
Outstanding, Ending balance Fair value (Per share)	$ 30.21	$ 30.80
Total fair values	$ 1.8	$ 0.9	$ 0.8

The weighted average fair value at grant date of equity instruments other than options issued during the period.

No definition available.

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- Definition

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

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- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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- Definition

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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- 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 number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(ii)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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No definition available.

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- Definition

Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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- Definition

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

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (d)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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