Cover - shares shares in Millions	6 Months Ended
	Apr. 03, 2020	May 04, 2020
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Apr. 03, 2020
Document Transition Report	false
Entity File Number	001-37860
Entity Registrant Name	VAREX IMAGING CORPORATION
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	81-3434516
Entity Address, Address Line One	1678 S. Pioneer Road
Entity Address, City or Town	Salt Lake City
Entity Address, State or Province	UT
Entity Address, Postal Zip Code	84104
City Area Code	801
Local Phone Number	972-5000
Title of 12(b) Security	Common Stock
Trading Symbol	VREX
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Smaller Reporting Company	false
Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding (in shares)		39.1
Amendment Flag	false
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q2
Entity Central Index Key	0001681622
Current Fiscal Year End Date	--10-02