Document and Entity Information - shares	6 Months Ended
	Apr. 30, 2019	Jun. 07, 2019
DEI [Abstract]
Entity Registrant Name	SHILOH INDUSTRIES INC
Entity Central Index Key	0000904979
Current Fiscal Year End Date	--10-31
Entity Filer Category	Accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Document Type	10-Q
Document Period End Date	Apr. 30, 2019
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q2
Amendment Flag	false
Entity Common Stock, Shares Outstanding		23,761,465
Entity Current Reporting Status	Yes
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No