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Goodwill and Other Intangible Assets (Tables)
6 Months Ended
Jun. 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 six months ended June 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 translation4.9 — 4.9 
Goodwill as of June 30, 2023
$275.7 $532.2 $807.9 
Schedule of Finite-Lived Intangible Assets
Identifiable intangible assets are as follows:
 June 30, 2023December 31, 2022
 Gross
Carrying
Amount
Accumulated
Amortization
Gross
Carrying
Amount
Accumulated
Amortization
 (in millions)
Amortized:
Customer relationships$486.3 $171.2 $484.5 $157.6 
Existing technology465.2 88.9 463.7 71.3 
Trademarks64.9 26.8 64.8 24.0 
Other34.6 27.0 36.4 27.3 
1,051.0 313.9 1,049.4 280.2 
Indefinite-Lived:
Trademarks30.8 — 30.6 — 
Total$1,081.8 $313.9 $1,080.0 $280.2 
Schedule of Indefinite-Lived Intangible Assets
Identifiable intangible assets are as follows:
 June 30, 2023December 31, 2022
 Gross
Carrying
Amount
Accumulated
Amortization
Gross
Carrying
Amount
Accumulated
Amortization
 (in millions)
Amortized:
Customer relationships$486.3 $171.2 $484.5 $157.6 
Existing technology465.2 88.9 463.7 71.3 
Trademarks64.9 26.8 64.8 24.0 
Other34.6 27.0 36.4 27.3 
1,051.0 313.9 1,049.4 280.2 
Indefinite-Lived:
Trademarks30.8 — 30.6 — 
Total$1,081.8 $313.9 $1,080.0 $280.2