LEASES - Lease assets and liabilities (Details) - USD ($) $ in Thousands	Oct. 31, 2024	Jan. 31, 2024	Oct. 31, 2023
Assets and Liabilities, Lessee [Abstract]
Operating lease assets	$ 286,232	$ 216,886	$ 221,474
Classification of operating lease assets	Operating lease assets
Current operating lease liabilities	$ 55,479	56,587	55,897
Classification current operating lease liabilities	Current operating lease liabilities
Noncurrent operating lease liabilities	$ 246,834	178,247	183,522
Classification of noncurrent operating liabilities	Noncurrent operating lease liabilities
Total lease liabilities	$ 302,313	$ 234,834	$ 239,419