STOCK-BASED COMPENSATION - Summary of Activity under Company's Stock Option Plans (Details) - $ / shares shares in Thousands	12 Months Ended
	Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2020	Jan. 31, 2019
STOCK-BASED COMPENSATION
Shares, Outstanding, Beginning balance	1,405	1,271	1,140
Shares, Granted	67	242	238
Shares, Exercised	(42)	(68)	(61)
Shares, Forfeited	(25)	(40)	(46)
Shares, Outstanding, Ending balance	1,405	1,405	1,271	1,140
Shares, Exercisable	1,110	938
Weighted Average Exercise Price, Outstanding, Beginning balance	$ 44.17	$ 44.83	$ 44.01
Weighted Average Exercise Price, Granted	45.47	37.26	44.76
Weighted Average Exercise Price, Exercised	34.01	24.17	26.67
Weighted Average Exercise Price, Forfeited	54.28	57.44	48.47
Weighted Average Exercise Price, Outstanding, Ending balance	44.35	44.17	$ 44.83	$ 44.01
Weighted Average Exercise Price, Exercisable	$ 45.19	$ 46.09
Weighted Average Remaining Term (Years), Outstanding	6 years 2 months 1 day	6 years 10 months 24 days	7 years 2 months 4 days	7 years 6 months 14 days
Weighted Average Remaining Term (Years), Exercisable	5 years 6 months 21 days	5 years 11 months 12 days
Weighted Average Fair Value, Outstanding	$ 10.31	$ 10.39	$ 11.06	$ 11.22
Weighted Average Fair Value, Exercisable	$ 10.98	$ 11.58