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Note 8 - Goodwill and Intangible Assets (Tables)
9 Months Ended
Sep. 30, 2023
Notes Tables  
Schedule of Goodwill [Table Text Block]
  

Insurance

 

Goodwill at December 31, 2022

 $1,676.0 

Acquisitions(1)

  56.4 

Purchase accounting reclassifications

  (0.1)

Foreign currency translation adjustment

  (0.5)

Goodwill at September 30, 2023

 $1,731.8 
Schedule of Finite-Lived Intangible Assets [Table Text Block]
  

Weighted Average Useful Life (in years)

  

Cost

  

Accumulated Amortization

  

Net

 

September 30, 2023

                

Technology-based

  8  $365.1  $(251.1) $114.0 

Marketing-related

  6   41.9   (37.4)  4.5 

Contract-based

  6   5.0   (5.0)   

Customer-related

  13   533.1   (177.9)  355.2 

Database-based

  8   15.2   (7.4)  7.8 

Total intangible assets

     $960.3  $(478.8) $481.5 

December 31, 2022

                

Technology-based

  8  $355.1  $(229.3) $125.8 

Marketing-related

  6   41.3   (35.5)  5.8 

Contract-based

  6   5.0   (5.0)   

Customer-related

  13   510.7   (146.7)  364.0 

Database-based

  8   15.0   (5.8)  9.2 

Total intangible assets

     $927.1  $(422.3) $504.8 
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Years Ending

 

Amount

 

2023

 $18.3 

2024

  70.8 

2025

  61.9 

2026

  60.0 

2027

  51.9 

2028 and thereafter

  218.6 

Total

 $481.5