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INCOME TAXES - Supplemental Cash Flow Information (Details) - USD ($)
$ in Millions
12 Months Ended
Jan. 31, 2021
Jan. 31, 2020
Jan. 31, 2019
INCOME TAXES      
Income Taxes Paid, Net $ 5.5 $ 3.1 $ 3.9
Proceeds from Income Tax Refunds $ 1.0 $ 8.4 $ 0.0