v3.25.3

Goodwill and Other Intangible Assets (Additional Information) (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2025	Jun. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Estimated future amortization expense for 2025	$ 2.8			$ 2.8
Estimated future amortization expense for 2026	10.7			10.7
Estimated future amortization expense for 2027	10.3			10.3
Estimated future amortization expense for 2028	8.0			8.0
Estimated future amortization expense for 2029	7.6			7.6
Goodwill, impairment charge	0.0		$ 0.0	67.3	$ 0.0
Other intangible assets impairment	$ 0.0		$ 0.0	$ 4.5	$ 0.0
Valuation, Income Approach
Goodwill and intangible asset, measurement input				50.00%
Valuation, Market Approach
Goodwill and intangible asset, measurement input				50.00%
Curamik
Goodwill, impairment charge		$ 67.3
Other intangible assets impairment		$ 4.5

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in remainder of current fiscal year.

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of impairment loss from asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.

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ROGERS CORP 10-Q