LEASES - Lease assets and liabilities (Details) - USD ($) $ in Thousands	Oct. 31, 2023	Jan. 31, 2023	Oct. 31, 2022
Assets and Liabilities, Lessee [Abstract]
Operating lease assets	$ 221,474	$ 239,665	$ 216,663
Classification of operating lease assets	Operating lease assets
Current operating lease liabilities	$ 55,897	52,917	50,645
Classification current operating lease liabilities	Current operating lease liabilities
Noncurrent operating lease liabilities	$ 183,522	204,974	185,171
Classification of noncurrent operating liabilities	Noncurrent operating lease liabilities
Total lease liabilities	$ 239,419	$ 257,891	$ 235,816