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Goodwill and Other Intangible Assets (Tables)
9 Months Ended
Sep. 30, 2023
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Changes in Net Carrying Value of Goodwill by Reportable Segment
The changes in the net carrying value of goodwill by reportable segment for the nine months ended September 30, 2023, are as follows:
Sealing
Technologies
Advanced Surface TechnologiesTotal
 (in millions)
Goodwill as of December 31, 2022
$270.8 $593.0 $863.8 
Impairment— (60.8)(60.8)
Foreign currency translation2.2 — 2.2 
Goodwill as of September 30, 2023
$273.0 $532.2 $805.2 
Schedule of Finite-Lived Intangible Assets
Identifiable intangible assets are as follows:
 September 30, 2023December 31, 2022
 Gross
Carrying
Amount
Accumulated
Amortization
Gross
Carrying
Amount
Accumulated
Amortization
 (in millions)
Amortized:
Customer relationships$485.2 $177.4 $484.5 $157.6 
Existing technology464.7 97.3 463.7 71.3 
Trademarks64.6 27.9 64.8 24.0 
Other27.6 20.7 36.4 27.3 
1,042.1 323.3 1,049.4 280.2 
Indefinite-Lived:
Trademarks30.8 — 30.6 — 
Total$1,072.9 $323.3 $1,080.0 $280.2 
Schedule of Indefinite-Lived Intangible Assets
Identifiable intangible assets are as follows:
 September 30, 2023December 31, 2022
 Gross
Carrying
Amount
Accumulated
Amortization
Gross
Carrying
Amount
Accumulated
Amortization
 (in millions)
Amortized:
Customer relationships$485.2 $177.4 $484.5 $157.6 
Existing technology464.7 97.3 463.7 71.3 
Trademarks64.6 27.9 64.8 24.0 
Other27.6 20.7 36.4 27.3 
1,042.1 323.3 1,049.4 280.2 
Indefinite-Lived:
Trademarks30.8 — 30.6 — 
Total$1,072.9 $323.3 $1,080.0 $280.2