Document and Entity Information	9 Months Ended
	Sep. 30, 2012	Oct. 23, 2012
Document Information [Line Items]
Trading Symbol	ROG
Entity Registrant Name	ROGERS CORP
Entity Central Index Key	0000084748
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Document Type	10-Q
Document Period End Date	Sep. 30, 2012
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	Q3
Amendment Flag	false
Entity Common Stock, Shares Outstanding		16,587,398