BUSINESS ACTIVITY AND SIGNIFICANT ACCOUNTING POLICIES (Details 7) - USD ($) $ in Millions	12 Months Ended
Jan. 31, 2020	Jan. 31, 2019	Jan. 31, 2018
Comprehensive Income and Foreign Currency Matters
Net foreign currency transaction gain (loss)	$ (0.4)	$ 0.9	$ (1.2)

Amount before tax of foreign currency transaction realized gain (loss) recognized in the income statement.

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