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Note 9 - Fixed Assets (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Property, Plant and Equipment [Table Text Block]
  

Useful Life (in years)

 

Cost

  

Accumulated Depreciation and Amortization

  

Net

 

December 31, 2021

              

Furniture and office equipment

 3 - 10 $259.2  $(219.6) $39.6 

Leasehold improvements

 

Lease term

  135.7   (54.5)  81.2 

Purchased software

 3  92.1   (71.1)  21.0 

Software development costs

 3 - 7  1,077.4   (584.5)  492.9 

Leased equipment

 3 - 4  60.5   (41.5)  19.0 

Motor vehicles and field equipment

 2 - 10  6.2   (1.7)  4.5 

Total fixed assets

   $1,631.1  $(972.9) $658.2 

December 31, 2020

              

Furniture and office equipment

 3 - 10 $273.6  $(215.8) $57.8 

Leasehold improvements

 

Lease term

  118.3   (44.7)  73.6 

Purchased software

 3  77.7   (68.6)  9.1 

Software development costs

 3 - 7  924.6   (465.3)  459.3 

Leased equipment

 3 - 4  68.3   (41.2)  27.1 

Motor vehicles and field equipment

 2 - 10  6.8   (1.4)  5.4 

Total fixed assets

   $1,469.3  $(837.0) $632.3