XML 51 R40.htm IDEA: XBRL DOCUMENT
v3.4.0.3

Hedging Transactions and Derivative Financial Instruments (Notional Values of Derivative Instruments) (Details) - Contracts designated as hedging instruments | Mar. 31, 2016 EUR (€) T | Mar. 31, 2016 GBP (£) T | Mar. 31, 2016 USD ($) T | Mar. 31, 2016 KRW (₩) T
--- | --- | --- | --- | ---
April 2016 - June 2016 |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative, Nonmonetary Notional Amount | 130 | 130 | 130 | 130
July 2016 - September 2016 |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative, Nonmonetary Notional Amount | 127 | 127 | 127 | 127
October 2016 - December 2016 |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative, Nonmonetary Notional Amount | 117 | 117 | 117 | 117
January 2017 - March 2017 |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative, Nonmonetary Notional Amount | 53 | 53 | 53 | 53
April 2017 - June 2017 |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative, Nonmonetary Notional Amount | 26 | 26 | 26 | 26
CNY/USD |  |  |  |
Derivative [Line Items] |  |  |  |
Notional Values of Foreign Currency Derivatives | $ |  |  | $ 6,768,139 |
USD/EUR |  |  |  |
Derivative [Line Items] |  |  |  |
Notional Values of Foreign Currency Derivatives | € | € 5,250,318 |  |  |
CNY/EUR |  |  |  |
Derivative [Line Items] |  |  |  |
Notional Values of Foreign Currency Derivatives | € | 2,812,683 |  |  |
USD/KRW |  |  |  |
Derivative [Line Items] |  |  |  |
Notional Values of Foreign Currency Derivatives | ₩ |  |  |  | ₩ 7,401,436,000
JPY/EUR |  |  |  |
Derivative [Line Items] |  |  |  |
Notional Values of Foreign Currency Derivatives | € | € 1,367,462 |  |  |
EUR/GBP |  |  |  |
Derivative [Line Items] |  |  |  |
Notional Values of Foreign Currency Derivatives | £ |  | £ 150,000 |  |
JPY/USD |  |  |  |
Derivative [Line Items] |  |  |  |
Notional Values of Foreign Currency Derivatives | $ |  |  | $ 651,208 |

X
- Definition Aggregate notional amount of derivative expressed in nonmonetary units. For example, the number of barrels specified in a fuel oil forward purchase contract. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
Name: | invest_DerivativeNonmonetaryNotionalAmount
Namespace Prefix: | invest_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition Nominal or face amount used to calculate payments on the derivative asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5579245-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Notional Amount -URI http://asc.fasb.org/extlink&oid=6519104 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5580258-113959 + Details
Name: | us-gaap_DerivativeAssetNotionalAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition 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. + References No definition available. + Details
Name: | us-gaap_DerivativeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_DesignatedAsHedgingInstrumentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=rog_CopperApril2016June2016Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=rog_CopperJuly2016September2016Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=rog_CopperOctober2016December2016Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=rog_CopperJanuary2017March2017Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=rog_CopperApril2017June2017Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | rog_DerivativeContractNameAxis=rog_CNYUSDNotionalAmountofForeignCurrencyDerivativesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | rog_DerivativeContractNameAxis=rog_EURUSDNotionalAmountofForeignCurrencyDerivativesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | rog_DerivativeContractNameAxis=rog_CNYEURNotionalAmountofForeignCurrencyDerivativesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | rog_DerivativeContractNameAxis=rog_USDKRWNotionalAmountofForeignCurrencyDerivativesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | rog_DerivativeContractNameAxis=rog_JPYEURNotionalAmountofForeignCurrencyDerivativesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | rog_DerivativeContractNameAxis=rog_EURGBPNotionalAmountofForeignCurrencyDerivativesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | rog_DerivativeContractNameAxis=rog_JPYUSDNotionalAmountofForeignCurrencyDerivativesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |