Cover - shares	3 Months Ended
	Apr. 03, 2020	May 04, 2020	Jan. 03, 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	001-36040
Entity Registrant Name	Fox Factory Holding Corp.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	26-1647258
Entity Address, Address Line One	6634 Hwy 53
Entity Address, City or Town	Braselton
Entity Address, State or Province	GA
Entity Address, Postal Zip Code	30517
City Area Code	831
Local Phone Number	274-6500
Title of 12(b) Security	Common Stock, par value $0.001 per share
Trading Symbol	FOXF
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Emerging Growth Company	false
Entity Small Business	false
Entity Shell Company	false
Common stock, shares outstanding (in shares)	38,603		38,559
Amendment Flag	false
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q1
Entity Central Index Key	0001424929
Current Fiscal Year End Date	--01-01
Entity Common Stock, Shares Outstanding		38,602,757