v3.26.1
Goodwill and Intangible Assets
 6 Months Ended
Jun. 30, 2026
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, 2026 were as follows:
Goodwill
Accumulated
Impairment
Losses
Total
Balance as of December 31, 2025
$243.9 $(35.3)$208.6 
Additions3.7 — 3.7 
Foreign currency fluctuations(4.6)0.6 (4.0)
Balance as of June 30, 2026
$243.0 $(34.7)$208.3 
The balances of acquired intangible assets, excluding goodwill, were as follows:
Customer ListsTrade NamesTechnologyTotal
Balance as of June 30, 2026
Original cost$174.9 $30.4 $16.4 $221.7 
Accumulated amortization(130.1)(27.4)(15.6)(173.1)
Carrying value$44.8 $3.0 $0.8 $48.6 
Weighted average original life (in years)141012
Balance as of December 31, 2025
Original cost$174.9 $31.1 $16.7 $222.7 
Accumulated amortization(128.1)(26.6)(15.4)(170.1)
Carrying value$46.8 $4.5 $1.3 $52.6 
Weighted average original life (in years)141012
Amortization expense on intangible assets for the three and six months ended June 30, 2026 was $3.3 million and $6.8 million, respectively. Amortization expense on intangible assets for the three and six months ended June 30, 2025 was $3.4 million and $6.8 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 2026
$6.3 
20279.2 
20287.1 
20296.6 
20306.1 
Thereafter13.3 
Total$48.6