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Goodwill and Purchased Intangible Assets - Schedule of Gross Goodwill and Other Purchased Intangible Assets (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Changes in the carrying amount of gross goodwill and other purchased intangibles |  |
Balance at the beginning of the period | $ 142.3 | $ 148.7
Amortization expense | (6.9) | (2.9)
Additions | 145.1 |
Currency translation adjustments and other | (0.1) | (3.5)
Balance at the end of the period | 280.4 | 142.3
Composite Materials |  |
Changes in the carrying amount of gross goodwill and other purchased intangibles |  |
Balance at the beginning of the period | 98.2 | 103.7
Amortization expense | (2.0) | (2.0)
Currency translation adjustments and other |  | (3.5)
Balance at the end of the period | 96.2 | 98.2
Engineered Products |  |
Changes in the carrying amount of gross goodwill and other purchased intangibles |  |
Balance at the beginning of the period | 44.1 | 45.0
Amortization expense | (4.9) | (0.9)
Additions | 145.1 |
Currency translation adjustments and other | (0.1) |
Balance at the end of the period | $ 184.2 | $ 44.1

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- Definition Goodwill and intangible assets acquired. + References No definition available. + Details
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- Definition Reflects increase (decrease) to the recorded value goodwill and indefinite-lived intangible assets for foreign currency translation adjustments. + References No definition available. + Details
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- Definition Changes in the carrying amount of gross goodwill and other purchased intangibles + References No definition available. + Details
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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 -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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- Definition Carrying amount of finite-lived intangible assets, indefinite-lived intangible assets and goodwill. Goodwill is an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Intangible assets are assets, not including financial assets, lacking physical substance. + References No definition available. + Details
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- Details
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- Details
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