v3.25.2
Goodwill and Intangible Assets
 6 Months Ended
Jun. 30, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Intangible Assets Goodwill and Intangible Assets
The changes in the carrying amount of goodwill for the six months ended June 30, 2025 were as follows:
Goodwill
Accumulated
Impairment
Losses
Total
Balance as of December 31, 2024
$218.1 $(32.5)$185.6 
Foreign currency fluctuations25.1 (3.5)21.6 
Balance as of June 30, 2025
$243.2 $(36.0)$207.2 
The balances of acquired intangible assets, excluding goodwill, were as follows:
Customer ListsTrade NamesTechnologyTotal
Balance as of June 30, 2025
Original cost$173.8 $31.1 $16.5 $221.4 
Accumulated amortization(123.4)(25.1)(14.7)(163.2)
Carrying value$50.4 $6.0 $1.8 $58.2 
Weighted average original life (in years)151111
Balance as of December 31, 2024
Original cost$154.6 $27.6 $15.2 $197.4 
Accumulated amortization(104.9)(20.8)(13.0)(138.7)
Carrying value$49.7 $6.8 $2.2 $58.7 
Weighted average original life (in years)151111
Amortization expense on intangible assets for the three and six months ended June 30, 2025 was $3.4 million and $6.8 million, respectively. Amortization expense on intangible assets for the three and six months ended June 30, 2024 was $3.9 million and $7.8 million, respectively.
Estimated aggregate amortization expense based on the current carrying value of amortizable intangible assets for each of the five succeeding years and thereafter is as follows:
Remaining 2025
$6.9 
202612.7 
20279.2 
20287.3 
20296.6 
Thereafter15.5 
Total$58.2