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LEASES - Lease cost (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2025	Jul. 31, 2024
Lease, Cost [Abstract]
Variable lease costs and short-term lease costs including rent forgiveness	$ 4.4	$ 5.8	$ 7.9	$ 11.1
Selling, general and administrative expenses
Lease, Cost [Abstract]
Lease costs	$ 17.8	$ 18.0	$ 36.0	$ 36.2

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- Definition

Variable Lease Cost and Short term Lease Cost, Rent Forgiveness, COVID-19

+ References

No definition available.

+ Details

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Balance Type:	debit
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- Definition

Amount of lease cost recognized by lessee for lease contract.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 53
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479589/842-20-55-53

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-4

+ Details

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- References

No definition available.

+ Details

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X

- Details

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