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DERIVATIVE FINANCIAL INSTRUMENTS - Schedule of the Effects of Derivative Financial Instruments Designated as Cash Flow Hedging Instruments (Details) - Cash flow hedging - Designated as cash flow hedges - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2022	Jul. 31, 2021
DERIVATIVE FINANCIAL INSTRUMENTS
Net (losses) gains recognized in accumulated other comprehensive (loss) income	$ (190)	$ 22	$ (460)	$ 62
Net (losses) gains reclassified from accumulated other comprehensive (loss) income to the consolidated statements of operations	(233)	11	(315)	(16,552)
Foreign currency forward contracts
DERIVATIVE FINANCIAL INSTRUMENTS
Net (losses) gains recognized in accumulated other comprehensive (loss) income	(190)	22	(460)	62
Net (losses) gains reclassified from accumulated other comprehensive (loss) income to the consolidated statements of operations	(233)	11	(315)	117
Interest rate swap agreement
DERIVATIVE FINANCIAL INSTRUMENTS
Net (losses) gains reclassified from accumulated other comprehensive (loss) income to the consolidated statements of operations	$ 0	$ 0	$ 0	$ (16,669)

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Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 20
-Section 45
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-Publisher FASB
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Amount, before tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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