Document And Entity Information - shares	9 Months Ended
	Oct. 01, 2017	Oct. 23, 2017
Document And Entity Information [Abstract]
Entity Registrant Name	CIRCOR INTERNATIONAL INC
Entity Central Index Key	0001091883
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Oct. 01, 2017
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q3
Amendment Flag	false
Entity Common Stock, Shares Outstanding		16,500,540