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Segment Information - Schedule of Goodwill and Intangible Assets by Segment (Details) $ in Millions | 9 Months Ended
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Sep. 30, 2024 USD ($)
Changes in the carrying amount of gross goodwill and other purchased intangibles |
Balance at Period Beginning | $ 251.3
Amortization expense | (1.7)
Currency translation adjustments | (1.9)
Balance at Period Ending | 247.7
Composite Materials |
Changes in the carrying amount of gross goodwill and other purchased intangibles |
Balance at Period Beginning | 87.2
Amortization expense | (0.4)
Currency translation adjustments | 0.5
Balance at Period Ending | 87.3
Engineered Products |
Changes in the carrying amount of gross goodwill and other purchased intangibles |
Balance at Period Beginning | 164.1
Amortization expense | (1.3)
Currency translation adjustments | (2.4)
Balance at Period Ending | $ 160.4

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482686/350-30-45-2 + Details
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