v3.24.3
Goodwill and Intangible Assets (Tables)
 9 Months Ended
Sep. 30, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Changes in Carrying Amount of Goodwill
The changes in the carrying amount of goodwill for the nine months ended September 30, 2024, by reportable business segment, were as follows:

FMTHSTFSDPIDEX
Goodwill$805.7 $1,834.5 $398.7 $3,038.9 
   Accumulated goodwill impairment losses(20.7)(149.8)(30.1)(200.6)
Balance at January 1, 2024785.0 1,684.7 368.6 2,838.3 
Foreign currency translation0.3 5.2 1.3 6.8 
Acquisitions— 480.3 — 480.3 
Measurement period adjustments— 2.2 — 2.2 
Divestitures(11.6)— — (11.6)
Balance at September 30, 2024$773.7 $2,172.4 $369.9 $3,316.0 
Schedule of Gross Carrying Value and Accumulated Amortization For Each Major Class of Intangible Asset
The following table provides the gross carrying value and accumulated amortization for each major class of intangible asset at September 30, 2024 and December 31, 2023:

 September 30, 2024December 31, 2023
 Gross
Carrying
Amount		Accumulated
Amortization		NetGross
Carrying
Amount		Accumulated
Amortization		Net
Amortized intangible assets:
Patents$2.7 $(2.1)$0.6 $2.7 $(2.0)$0.7 
Trade names207.0 (58.2)148.8 171.9 (54.3)117.6 
Customer relationships1,109.0 (266.3)842.7 860.7 (228.7)632.0 
Unpatented technology336.2 (82.3)253.9 233.5 (66.3)167.2 
Software15.6 (3.1)12.5 5.3 (1.9)3.4 
Total amortized intangible assets1,670.5 (412.0)1,258.5 1,274.1 (353.2)920.9 
Indefinite-lived intangible assets:
Banjo trade name62.1 — 62.1 62.1 — 62.1 
Akron Brass trade name28.8 — 28.8 28.8 — 28.8 
Total intangible assets$1,761.4 $(412.0)$1,349.4 $1,365.0 $(353.2)$1,011.8 
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense Based on the intangible asset balances as of September 30, 2024, expected amortization expense for the remaining three months of 2024 and for the years 2025 through 2028 is as follows:
Estimated Amortization
Remainder of 2024$32.6 
2025128.1 
2026126.4 
2027122.7 
2028119.5