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Employee Benefits (Tables)

12 Months Ended

Dec. 28, 2025

Retirement Benefits [Abstract]

Schedule of Multiemployer Plan

Fund			Employee Identification Number/Pension  Plan Number						PPA Zone Status												Subject to financial Improvement/ Rehabilitation Plan						Contributions (in thousands)																		Surcharge Imposed						Expiration Date of Collective Bargaining Agreement
									Fiscal 2025						Fiscal 2024												Fiscal 2025						Fiscal 2024						Fiscal 2023
Chicago & Vicinity Laborers' District Council Pension Plan			36-2514514-002						Green						Green						No						$	5,225					$	4,548					$	6,155					No						05/31/26
Central Pension Fund of the IUOE & Participating Employers			36-6052390-001						Green						Green						No						5,019						4,977						4,418						No						03/31/29
Midwest Operating Engineers Pension Trust Fund			36-6140097-001						Green						Green						No						3,710						3,714						5,285						No						05/31/27
Boilermaker-Blacksmith National Pension Trust			48-6168020-001						Red						Red						Yes						3,203						2,433						3,994						No						Evergreen			(1)
National Electric Benefit Fund			53-0181657-001						Green						Green						No						3,014						2,935						2,935						No						05/31/27
Plumbers Local 9 Pension Plan			51-0219541-001						Green						Green						No						2,568						1,455						454						No						Evergreen			(1)
IBEW Local 769 Management Pension Plan			86-6049763-001						Green						Green						No						2,534						2,192						1,796						No						08/02/26
Eastern Atlantic States Carpenters Pension Fund			23-1613018-001						Green						Green						No						2,509						1,485						1,547						No						Evergreen			(1)
Operating Engineers Local 101 Pension Fund			43-6059213-001						Green						Green						No						2,374						1,961						1,867						No						12/31/28
Pipe Fitters Retirement Fund Local 597			62-6105084-001						Green						Green						No						2,236						2,045						2,440						No						05/31/26
Local 351 IBEW Pension Plan			22-3417366-001						Green						Green						No						2,155						2,230						2,184						No						Evergreen			(1)
Building Trades United Pension Trust Fund Milwaukee and Vicinity			51-6049409-001						Green						Green						No						1,910						1,452						835						No						05/31/27
U.A. Local Union No. 322 Pension Plan			21-6016638-001						Red						Red						Yes						1,860						1,302						1,240						No						Evergreen			(1)
Minnesota Laborers Pension Fund			41-6159599-001						Green						Green						No						1,803						1,653						1,374						No						05/31/30
IBEW Local 1249 Pension Plan			15-6035161-001						Green						Green						No						1,642						1,692						1,642						No						Evergreen			(1)
United Association National Pension Fund			52-6152779-001						Green						Green						No						1,506						1,741						2,184						No						12/15/26
Fox Valley and Vicinity Laborers Pension Fund			36-6147409-001						Green						Green						No						1,473						1,472						1,861						No						Evergreen			(1)
Laborers' District Council Construction Industry Pension Fund			23-6235338-001						Green						Green						No						1,444						920						-						No						12/31/29
West Chester Heavy Construction Laborers Local 60 Pension Fund			13-1962287-001						Green						Green						No						1,391						1,386						1,389						No						Evergreen			(1)
Steamfitters Local Union No. 420 Pension Plan			23-2004424-001						Yellow						Red						Yes						800						621						1,746						No						04/30/26
International Painters And Allied Trades Industry Pension Plan			52-6073909-001						Red						Red						Yes						339						132						121						No						Evergreen			(1)
Central States, Southeast and Southwest Areas Pension Plan			36-6044243-001						Red						Red						Yes						330						-						-						No						05/31/26
Kansas Construction Trades Open End Pension Trust Fund			48-6171387-001						Red						Red						Yes						285						345						361						No						12/31/29
Upstate New York Engineers Pension Fund			15-0614642-001						Red						Red						Yes						240						215						90						No						03/31/26
New Jersey Building Laborers Statewide Pension Fund			22-6077693-001						Red						Red						Yes						238						58						61						No						Evergreen			(1)
Laborers National Pension Fund			75-1280827-001						Red						Red						Yes						190						322						107						Yes						05/31/26
Asbestos Workers Philadelphia Pension Fund			23-6406511-001						Red						Red						Yes						178						14						-						No						Evergreen			(1)
Ironworkers Pension Plan			23-6529504-001						Red						Red						Yes						142						133						5						No						06/30/28
All other plans - U.S.																											18,063						16,108						19,000
All other plans - Canada (2)																											9,123						8,647						10,567
Total																											$	77,504					$	68,188					$	75,658

(1)Certain collective bargaining agreement(s) participating in this fund is subject to automatic renewal absent cancellation by either party.

(2)Multiemployer defined benefit pension plans in Canada are not subject to the reporting requirements under the PPA. Accordingly, certain information is not publicly available.

The Company’s contributions to the following individually significant plans were 5% or more of the total contributions to these plans for the periods indicated based on the Forms 5500 for these plans for the plan years ended December 31, 2024 and 2023. Forms 5500 were not yet available for these plans for the plan years ending during 2025, unless specifically noted below.

Fund			Plan Years in which Centuri Contributions Were Five Percent or More of Total Plan Contributions
I.B.E.W. Local 769 Management Pension Plan			2024, 2023, 2022
Local 351 IBEW Pension Plan			2024, 2023, 2022
U.A. Local Union No. 322 Pension Plan			2024, 2023, 2022
Fox Valley and Vicinity Laborers Pension Fund			2023, 2022
West Chester Heavy Construction Laborers Local 60 Pension Fund			2024, 2023, 2022
Kansas Construction Trades Open End Pension Trust Fund			2023

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Tabular disclosure of information about multiemployer plan.

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