STOCK-BASED COMPENSATION AND OTHER BENEFIT PLANS - Restricted Stock Units and Performance Stock Units (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2022
Shares or Units
Beginning balance (in shares)	2,230	2,454	2,950
Granted (in shares)	2,127	1,743	1,540
Released (in shares)	(1,433)	(1,733)	(1,800)
Forfeited (in shares)	(266)	(234)	(236)
Ending balance (in shares)	2,658	2,230	2,454
Weighted-Average Grant-Date Fair Value
Beginning balance (in dollars per share)	$ 52.42	$ 42.99	$ 35.97
Granted (in dollars per share)	35.68	54.98	48.01
Released (in dollars per share)	46.12	42.13	36.14
Forfeited (in dollars per share)	43.70	48.86	40.23
Ending balance (in dollars per share)	$ 43.29	$ 52.42	$ 42.99
Additional disclosures
Granted (in shares)	2,127	1,743	1,540
RSUs
Shares or Units
Granted (in shares)	1,850
Additional disclosures
Granted (in shares)	1,850
Unrecognized compensation expense	$ 75.3
Remaining weighted-average vesting period over which expense is expected to be recognized (in years)	1 year 7 months 6 days