STOCK-BASED COMPENSATION - Summary of Activity under Company's Stock Option Plans (Details) - $ / shares shares in Thousands	6 Months Ended		12 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jan. 31, 2023
STOCK-BASED COMPENSATION
Shares, Outstanding, Beginning balance	1,440
Shares, Granted	10
Shares, Exercised	(45)
Shares, Forfeited	(1)
Shares, Outstanding, Ending balance	1,404	1,431	1,440
Shares, Exercisable	1,276	1,192
Weighted Average Exercise Price Per Share, Outstanding, Beginning balance	$ 43.84
Weighted Average Exercise Price Per Share, Granted	39.47
Weighted Average Exercise Price Per Share, Exercised	21.04
Weighted Average Exercise Price Per Share, Forfeited	33.81
Weighted Average Exercise Price Per Share, Outstanding, Ending balance	44.55	$ 44.08	$ 43.84
Weighted Average Exercise Price Per Share, Exercisable	$ 45.01	$ 44.83
Weighted Average Remaining Term (Years), Outstanding	5 years 1 month 28 days	5 years 9 months 14 days	5 years 5 months 15 days
Weighted Average Remaining Term (Years), Exercisable	4 years 9 months 25 days	5 years 3 months 7 days
Weighted Average Grant Date Fair Value Per Share, Outstanding	$ 10.28	$ 10.19	$ 10.11
Weighted Average Grant Date Fair Value Per Share, Exercisable	$ 10.53	$ 10.74