v3.24.3
Goodwill and Intangible Assets (Tables)
 9 Months Ended
Sep. 30, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
Summary of Changes in goodwill
The following table sets forth the change in the carrying amount of goodwill during the nine months ended September 30, 2024 (in millions):
Balance as of December 31, 2023
$1,952.6 
Acquisitions135.9 
Translation and other adjustments(0.6)
Balance as of September 30, 2024
$2,087.9 
Summary of Intangible Assets The following table summarizes intangible assets by category (in millions, except time periods):
September 30,December 31,September 30,Weighted-Average Remaining
202420232023
Life1 (Years)
Amortizable intangible assets:
Customer relationships and other
$1,402.9 $1,238.9 $1,226.0 16.3
Trademarks4.5 5.6 4.5 0.1
Total amortizable intangible assets1,407.4 1,244.5 1,230.5 16.3
Accumulated amortization(918.4)(850.8)(829.8)
Total amortizable intangible assets, net489.0 393.7 400.7 
Indefinite-lived trademarks15.3 9.8 9.8 
Total intangibles, net$504.3 $403.5 $410.5 
1.As of September 30, 2024.
Summary of Estimated Future Amortization
The following table summarizes the estimated future amortization expense for intangible assets (in millions):
Year Ending December 31,
 
2024 (October - December)$22.9 
202582.3 
202671.2 
202760.3 
202849.5 
Thereafter202.8 
Total future amortization expense$489.0