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DOCUMENT AND ENTITY INFORMATION	9 Months Ended
	Sep. 30, 2012	Oct. 26, 2012
Entity Registrant Name	STONERIDGE INC
Entity Central Index Key	0001043337
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Trading Symbol	sri
Entity Common Stock Shares Outstanding		27,915,465
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2012
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2012

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