Cover Page - USD ($)	12 Months Ended
	Nov. 01, 2020	Jan. 08, 2021	May 03, 2020
Cover [Abstract]
Amendment Flag	false
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	FY
Entity Central Index Key	0000103872
Current Fiscal Year End Date	--11-01
Document Type	10-K
Document Annual Report	true
Document Period End Date	Nov. 01, 2020
Document Transition Report	false
Entity File Number	001-09232
Entity Registrant Name	VOLT INFORMATION SCIENCES, INC.
Entity Incorporation, State or Country Code	NY
Entity Tax Identification Number	13-5658129
Entity Address, Address Line One	2401 N. Glassell Street
Entity Address, City or Town	Orange
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	92865
City Area Code	714
Local Phone Number	921-8800
Title of 12(b) Security	Common Stock $0.10 Par Value
Trading Symbol	VOLT
Security Exchange Name	NYSEAMER
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	false
Entity Shell Company	false
Entity Public Float			$ 13,946,091
Entity Common Stock, Shares Outstanding		21,736,575