DESCRIPTION OF THE BUSINESS AND BASIS OF PRESENTATION (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021
Description of the Business
Revenue recognized		$ 131.0	$ 67.4
Retained amounts by project owners	$ 49.1	$ 40.4
Minimum
Description of the Business
Property, Plant and Equipment, Useful Life	5 years
Maximum
Description of the Business
Property, Plant and Equipment, Useful Life	39 years