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

Insurance

 

Goodwill at December 31, 2022

 $1,676.0 

Acquisitions(1)

  57.7 

Purchase accounting reclassifications

  (0.1)

Foreign currency translation adjustment

  21.6 

Goodwill at June 30, 2023

 $1,755.2 
Schedule of Finite-Lived Intangible Assets [Table Text Block]
  

Weighted Average Useful Life (in years)

  

Cost

  

Accumulated Amortization

  

Net

 

June 30, 2023

                

Technology-based

  8  $369.3  $(245.8) $123.5 

Marketing-related

  6   42.6   (37.4)  5.2 

Contract-based

  6   5.0   (5.0)   

Customer-related

  13   540.3   (169.3)  371.0 

Database-based

  8   15.2   (6.9)  8.3 

Total intangible assets

     $972.4  $(464.4) $508.0 

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

 $37.1 

2024

  71.7 

2025

  62.6 

2026

  60.7 

2027

  52.4 

2028 and thereafter

  223.5 

Total

 $508.0