LEASES - Lease assets and liabilities (Details) - USD ($) $ in Thousands	Jan. 31, 2023	Jan. 31, 2022
Assets and Liabilities, Lessee [Abstract]
Operating lease assets	$ 239,665	$ 169,595
Classification of operating lease assets	Operating lease assets	Operating lease assets
Total lease assets	$ 239,665	$ 169,595
Current operating lease liabilities	$ 52,917	$ 42,763
Classification current operating lease liabilities	Current operating lease liabilities	Current operating lease liabilities
Noncurrent operating lease liabilities	$ 204,974	$ 142,868
Classification of noncurrent operating liabilities	Noncurrent operating lease liabilities	Noncurrent operating lease liabilities
Total lease liabilities	$ 257,891	$ 185,631