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Note 10 - Income Taxes (Tables)
3 Months Ended
Apr. 30, 2021
Notes Tables  
Summary of Valuation Allowance [Table Text Block]

Jurisdiction

 

April 30,

2021

  

January 31,

2021

 

U.S. federal and state

 $27.1  $30.3 

Ireland

  12.1   12.0 

Brazil

  6.1   6.1 

South Africa

  0.2   0.2 

Total valuation allowance

 $45.5  $48.6