|
Joint Ventures (Accounted for Under Equity Method of Accounting) (Details)
|
3 Months Ended |
|---|---|
|
Mar. 31, 2015
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|
| Schedule of Equity Method Investments [Line Items] | |
| Fiscal Year-End | --12-31 |
| Rogers INOAC Corporation [Member] | JAPAN [Member] | High Performance Foams [Member] | |
| Schedule of Equity Method Investments [Line Items] | |
| Fiscal Year-End | --10-31 |
| Rogers INOAC Suzhou Corporation [Member] | CHINA [Member] | High Performance Foams [Member] | |
| Schedule of Equity Method Investments [Line Items] | |
| Fiscal Year-End | --12-31 |