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Note 10 - Income Taxes (Tables)
6 Months Ended
Jul. 31, 2021
Notes Tables  
Summary of Valuation Allowance [Table Text Block]

Jurisdiction

 

July 31,

2021

  

January 31,

2021

 

U.S. federal and state

 $29.7  $30.3 

Ireland

  12.3   12.0 

Brazil

  6.1   6.1 

South Africa

  0.2   0.2 

Total valuation allowance

 $48.3  $48.6