Document and Entity Information - shares	6 Months Ended
	Apr. 30, 2020	Jul. 22, 2020
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, 2020
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q1
Amendment Flag	false
Entity Common Stock, Shares Outstanding (in shares)		24,223,148
Entity Shell Company	false
Entity Current Reporting Status	Yes