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Summarized Financial Information of Unconsolidated Joint Ventures (Accounted for Under Equity Method of Accounting) (Detail) | 12 Months Ended
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Dec. 31, 2015
Schedule of Equity Method Investments [Line Items] |
Fiscal Year-End | --12-31
Rogers INOAC Corporation | Japan | Elastomeric Material Solutions |
Schedule of Equity Method Investments [Line Items] |
Fiscal Year-End | --10-31
Rogers I N O A C Suzhou Corporation | China | Elastomeric Material Solutions |
Schedule of Equity Method Investments [Line Items] |
Fiscal Year-End | --12-31

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