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Note 7 - Goodwill and Intangible Assets (Tables)
6 Months Ended
Jun. 30, 2021
Notes Tables  
Schedule of Goodwill [Table Text Block]
      

Accumulated

     
      

Impairment

     
  

Goodwill

  

Losses

  

Total

 

Balance as of December 31, 2020

 $249.5  $(41.7) $207.8 

Divestiture

  (1.7)     (1.7)

Foreign currency fluctuations

  (3.9)  (0.2)  (4.1)

Balance as of June 30, 2021

 $243.9  $(41.9) $202.0 
Schedule of Finite-Lived Intangible Assets [Table Text Block]
  

Customer Lists

  

Trade Names

  

Technology

  

Total

 

Balance as of June 30, 2021

                

Original cost

 $161.1  $31.6  $17.6  $210.3 

Accumulated amortization

  (75.9)  (13.0)  (10.3)  (99.2)

Carrying value

 $85.2  $18.6  $7.3  $111.1 

Weighted average original life (in years)

  15   10   11     
                 

Balance as of December 31, 2020

                

Original cost

 $166.2  $34.4  $17.9  $218.5 

Accumulated amortization

  (70.3)  (12.3)  (9.7)  (92.3)

Carrying value

 $95.9  $22.1  $8.2  $126.2 

Weighted average original life (in years)

  15   11   11     
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

Remaining 2021

 $9.7 

2022

 

17.6

 

2023

  16.0 

2024

  14.4 

2025

  12.9 

Thereafter

  40.5 

Total

 $111.1