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STOCK-BASED COMPENSATION - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Jan. 31, 2026	Jan. 31, 2025	Jan. 31, 2024	Jun. 20, 2023	Jun. 23, 2020
Share-based Compensation Arrangement by Share-based Payment Award
Stock compensation expense	$ 7,867	$ 4,460	$ 4,455
Unrecognized compensation cost	$ 10,100
Compensation expense recognize, period	3 years
Weighted-average exercise price per share	$ 148.72
Weighted-average exercise price per share	$ 45.44
Number of shares of awarded stock options outstanding	78,000	450,000
Treasury stock to settle stock option exercises and other share-based awards	381,197	409,245	104,090
Shares paid for tax withholding for share based compensation	118,702	583,337	31,066
Share-based payment	$ 214.85	$ 80.63	$ 47.19
Intrinsic value of the stock options exercised	$ 81,400	$ 34,800	$ 1,500
Intrinsic value of outstanding stock options	24,100
Intrinsic value of exercisable stock options	$ 20,300
2020 Plan
Share-based Compensation Arrangement by Share-based Payment Award
Number of shares of common stock reserved for issuance				500,000	500,000
Stock Plans
Share-based Compensation Arrangement by Share-based Payment Award
Number of shares of common stock reserved for issuance	720,747
Number of shares of common stock available for award	411,344
Performance-based restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award
The number of shares issuable under restricted stock units awarded during the period	5,500
Earnings per share performance-based restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award
The number of shares issuable under restricted stock units awarded during the period	16,450
Renewable energy performance-based restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award
The number of shares issuable under restricted stock units awarded during the period	2,500
Time-based restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award
The number of shares issuable under restricted stock units awarded during the period	32,350