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PROVISION FOR INCOME TAXES - Solar Energy Projects (Details) - USD ($) $ in Millions	3 Months Ended
	Apr. 30, 2026	Apr. 30, 2025	Jan. 31, 2026
Solar Energy Projects
Investment account balances	$ 1.5		$ 1.7
STC Investments
Solar Energy Projects
Amortization expense related to STC investment	0.1	$ 0.7
STC investments that qualify for PAM
Solar Energy Projects
Income tax credits and other income tax benefits related to STC investments	$ 0.1	$ 0.8

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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