Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

+ Details

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Period Type:	duration

- Definition

Nominal number of units used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5580258-113959

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5579245-113959

+ Details

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Period Type:	instant

- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

+ Details

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- Details

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- Details

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- Details

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- Details

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- Details

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- Details

Name:	rog_DerivativeContractNameAxis=rog_KRWUSDNotionalAmountofForeignCurrencyDerivativeMember
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Hedging Transactions and Derivative Financial Instruments (Notional Values of Derivative Instruments) (Details) - Contracts not designated as hedging instruments	Sep. 30, 2020 USD ($) tons_per_month	Sep. 30, 2020 EUR (€) tons_per_month	Sep. 30, 2020 KRW (₩) tons_per_month
October 2020 - December 2020
Derivative [Line Items]
Volume of Copper Derivatives (in metric tons per month)	201	201	201
January 2021 - March 2021
Derivative [Line Items]
Volume of Copper Derivatives (in metric tons per month)	256	256	256
April 2021 - June 2021
Derivative [Line Items]
Volume of Copper Derivatives (in metric tons per month)	256	256	256
July 2021 - September 2021
Derivative [Line Items]
Volume of Copper Derivatives (in metric tons per month)	222	222	222
USD/CNH \| Foreign Currency Derivatives
Derivative [Line Items]
Notional Values of Foreign Currency Derivatives \| $	$ 30,138,505
EUR/USD \| Foreign Currency Derivatives
Derivative [Line Items]
Notional Values of Foreign Currency Derivatives \| €		€ 9,430,781
KRW/USD \| Foreign Currency Derivatives
Derivative [Line Items]
Notional Values of Foreign Currency Derivatives \| ₩			₩ 11,684,000,000