INTANGIBLE ASSETS (Details) - USD ($) $ in Thousands	Apr. 30, 2026	Jan. 31, 2026	Apr. 30, 2025
Indefinite-Lived Intangible Assets
Goodwill	$ 28,033	$ 28,033	$ 28,033
Power industry services
Indefinite-Lived Intangible Assets
Goodwill	18,500	18,500
Industrial construction services
Indefinite-Lived Intangible Assets
Goodwill	$ 9,500	$ 9,500