FAIR VALUE OF FINANCIAL INSTRUMENTS ASSETS AND LIABILITIES MEASURED ON A NONRECURRING BASIS (Details 2) - USD ($) $ in Millions	Jan. 31, 2020	Jan. 31, 2019
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Carrying Value of Long-Lived Assets Analyzed for Impairment	$ 2.8	$ 0.9

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