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Goodwill and Intangible Assets (Tables)
 9 Months Ended
Sep. 30, 2023
Goodwill and Intangible Assets Disclosure [Abstract]  
Changes To Goodwill
Changes to goodwill are as follows:
(in millions) Aerospace & ElectronicsProcess Flow TechnologiesEngineered MaterialsTotal
Balance as of December 31, 2022$202.3 $317.3 $171.3 $690.9 
Currency translation— (1.5)— (1.5)
Balance as of September 30, 2023$202.3 $315.8 $171.3 $689.4 
Changes To Intangible Assets
Changes to intangible assets are as follows:
(in millions)Nine Months Ended
September 30, 2023		Year Ended December 31, 2022
Balance at beginning of period, net of accumulated amortization$71.7 $78.5 
Amortization expense(4.2)(5.7)
Currency translation and other(0.1)(1.1)
Balance at end of period, net of accumulated amortization$67.4 $71.7 
Summary Of Intangible Assets A summary of intangible assets are as follows:
September 30, 2023December 31, 2022
(in millions)Weighted Average
Amortization Period of Definite Lived Assets (in years)		Gross
Asset		Accumulated
Amortization		NetGross
Asset		Accumulated
Amortization		Net
Intellectual property rights19.0$69.9 $45.4 $24.5 $70.0 $45.1 $24.9 
Customer relationships and backlog14.2132.5 91.4 41.1 132.6 87.8 44.8 
Drawings40.011.1 10.8 0.3 11.1 10.7 0.4 
Other21.042.6 41.1 1.5 42.4 40.8 1.6 
Total17.5$256.1 $188.7 $67.4 $256.1 $184.4 $71.7 
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense
Future amortization expense associated with intangible assets is expected to be:
(in millions)
Remainder of 2023$1.3 
20245.2 
20255.2 
20265.2 
20275.2 
2028 and after23.7