v3.25.2
Goodwill and Other Intangible Assets
 6 Months Ended
Jun. 30, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Other Intangible Assets Goodwill and Other Intangible Assets
The changes in the net carrying value of goodwill by reportable segment for the six months ended June 30, 2025 are as follows:
Sealing
Technologies		Advanced Surface TechnologiesTotal
 (in millions)
Goodwill as of December 31, 2024
$364.0 $532.2 $896.2 
Foreign currency translation8.4 — 8.4 
Goodwill as of June 30, 2025
$372.4 $532.2 $904.6 

The goodwill balances reflected above at June 30, 2025 are net of accumulated impairment losses of $27.8 million for the Sealing Technologies segment and $126.0 million for the Advanced Surface Technologies segment.
Identifiable intangible assets are as follows:
 June 30, 2025December 31, 2024
 Gross
Carrying
Amount		Accumulated
Amortization		Gross
Carrying
Amount		Accumulated
Amortization
 (in millions)
Definite-Lived:
Customer relationships$497.0 $225.7 $493.6 $209.9 
Existing technology570.1 166.0 567.5 143.9 
Trademarks70.4 38.8 69.4 34.9 
Other25.1 22.6 26.6 22.9 
1,162.6 453.1 1,157.1 411.6 
Indefinite-Lived:
In-process research and development14.0 — 14.0 — 
Trademarks30.9 — 30.8 — 
Total$1,207.5 $453.1 $1,201.9 $411.6 
Amortization for the quarters and six months ended June 30, 2025 and 2024 was $19.1 million, $19.1 million $38.1 million and $37.7 million, respectively.