INCOME TAXES - Net Operating Loss Carryback (Details) - USD ($) $ in Millions	6 Months Ended
Jul. 31, 2023	Jan. 31, 2021	Jan. 31, 2020
INCOME TAXES
Increase in loss carryback period for certain losses	5 years
Domestic net operating loss carryback			$ 39.5
Income tax receivable		$ 12.7

Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and other tax receivables expected to be realized or consumed within one year or operating cycle, if longer.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant