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Intangible Assets (Tables)
9 Months Ended
Sep. 30, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Amortized Intangible Assets
The gross carrying amount and accumulated amortization for intangible assets as of September 30, 2024 consisted of the following (in millions):
 September 30, 2024
 Gross
Carrying
Amount
Accumulated
Amortization
Net
Carrying
Amount
Amortized Intangible Assets
Customer relationships$746.4 $247.5 $498.9 
Acquired and developed technology92.2 46.1 46.1 
Trade names48.5 8.9 39.6 
Non-compete agreements2.9 2.9 — 
Patents1.9 1.0 0.9 
Total(1)
$891.9 $306.4 $585.5 
(1) Includes $0.6 million intangible asset impairment recorded during the second quarter of 2024.

The gross carrying amount and accumulated amortization for intangible assets as of December 31, 2023 consisted of the following (in millions):
 December 31, 2023
 Gross
Carrying
Amount
Accumulated
Amortization
Net
Carrying
Amount
Amortized Intangible Assets
Customer relationships$743.8 $209.4 $534.4 
Acquired and developed technology92.6 38.6 54.0 
Trade names32.7 6.4 26.3 
Non-compete agreements2.9 2.8 0.1 
Patents1.9 0.9 1.0 
Total(1)
$873.9 $258.1 $615.8 
Unamortized Intangible Assets
Trade names(2)
$15.5 $— $15.5 
(1) Includes $0.7 million intangible asset impairment for the year ended 2023.
(2) Amortization of certain trade names began effective January 1, 2024 to reflect current expectations for the period over which the assets will contribute to future cash flows.
Schedule of Unamortized Intangible Assets
The gross carrying amount and accumulated amortization for intangible assets as of September 30, 2024 consisted of the following (in millions):
 September 30, 2024
 Gross
Carrying
Amount
Accumulated
Amortization
Net
Carrying
Amount
Amortized Intangible Assets
Customer relationships$746.4 $247.5 $498.9 
Acquired and developed technology92.2 46.1 46.1 
Trade names48.5 8.9 39.6 
Non-compete agreements2.9 2.9 — 
Patents1.9 1.0 0.9 
Total(1)
$891.9 $306.4 $585.5 
(1) Includes $0.6 million intangible asset impairment recorded during the second quarter of 2024.

The gross carrying amount and accumulated amortization for intangible assets as of December 31, 2023 consisted of the following (in millions):
 December 31, 2023
 Gross
Carrying
Amount
Accumulated
Amortization
Net
Carrying
Amount
Amortized Intangible Assets
Customer relationships$743.8 $209.4 $534.4 
Acquired and developed technology92.6 38.6 54.0 
Trade names32.7 6.4 26.3 
Non-compete agreements2.9 2.8 0.1 
Patents1.9 0.9 1.0 
Total(1)
$873.9 $258.1 $615.8 
Unamortized Intangible Assets
Trade names(2)
$15.5 $— $15.5 
(1) Includes $0.7 million intangible asset impairment for the year ended 2023.
(2) Amortization of certain trade names began effective January 1, 2024 to reflect current expectations for the period over which the assets will contribute to future cash flows.