Cover - shares	6 Months Ended
	Jun. 30, 2024	Jul. 31, 2024
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2024
Document Transition Report	false
Entity File Number	001-42022
Entity Registrant Name	Centuri Holdings, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	93-1817741
Entity Address, Address Line One	19820 North 7th Avenue
Entity Address, Address Line Two	Suite 120
Entity Address, City or Town	Phoenix
Entity Address, State or Province	AZ
Entity Address, Postal Zip Code	85027
City Area Code	(623)
Local Phone Number	582-1235
Title of 12(b) Security	Common stock, $0.01 par value
Trading Symbol	CTRI
Security Exchange Name	NYSE
Entity Current Reporting Status	No
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		88,517,521
Current Fiscal Year End Date	--12-29
Entity Central Index Key	0001981599
Document Fiscal Year Focus	2024
Document Fiscal Period Focus	Q2
Amendment Flag	false