Cover - shares	9 Months Ended
	Jul. 31, 2020	Sep. 04, 2020
Entity Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jul. 31, 2020
Document Transition Report	false
Entity File Number	0-21964
Entity Registrant Name	SHILOH INDUSTRIES, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	51-0347683
Entity Address, Address Line One	880 Steel Drive
Entity Address, City or Town	Valley City
Entity Address, State or Province	OH
Entity Address, Postal Zip Code	44280
City Area Code	330
Local Phone Number	558-2600
Title of 12(b) Security	Common Stock, $0.01 par value
Trading Symbol	SHLO
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding (in shares)		24,216,512
Current Fiscal Year End Date	--10-31
Entity Central Index Key	0000904979
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q3
Amendment Flag	false