LEASES - Lease assets and liabilities (Details) - USD ($) $ in Thousands	Jul. 31, 2025	Jan. 31, 2025	Jul. 31, 2024
Assets and Liabilities, Lessee [Abstract]
Operating	$ 264,526	$ 255,180	$ 204,008
Classification of operating lease assets	Operating
Current operating	$ 52,604	50,268	54,983
Classification current operating lease liabilities	Current operating
Noncurrent operating	$ 227,691	221,257	163,750
Classification of noncurrent operating liabilities	Noncurrent operating
Total lease liabilities	$ 280,295	$ 271,525	$ 218,733

No definition available.

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-1

+ Details

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease, classified as current.

+ References

+ Details

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- Definition

Indicates line item in statement of financial position that includes current operating lease liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-2

+ Details

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.

+ References

+ Details

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- Definition

Indicates line item in statement of financial position that includes noncurrent operating lease liability.

+ References

+ Details

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- Definition

Amount of lessee's right to use underlying asset under operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479041/842-20-45-1

+ Details

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- Definition

Indicates line item in statement of financial position that includes operating lease right-of-use asset.

+ References

+ Details

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