Revenue Receivables and Contract Assets and Liabilities (Tables)

12 Months Ended

Dec. 29, 2023

Revenue from Contract with Customer [Abstract]

Summary of Company's Revenue Disaggregated by Contract Types

The following table presents the Company’s revenue disaggregated by contract types:

	Fiscal Year Ended
	December 29,		December 30,
(In thousands)	2023		2022
Fixed-price	$	567,224	$	601,903
Cost reimbursable		57,063		54,835
Equipment and labor		8,519		7,420
Total revenue	$	632,806	$	664,158

Projects started after the AECOM Sale Transactions ("Shimmick Projects") have focused on water infrastructure and other critical infrastructure. Projects that started prior to consummation of the AECOM Sale Transactions are referred to as "Legacy Projects".

The following table presents the Company’s revenue disaggregated by Shimmick Projects and Legacy Projects:

	Fiscal Year Ended
	December 29,		December 30,
(In thousands)	2023		2022
Shimmick Projects	$	434,297	$	350,667
Legacy Projects		198,509		313,491
Total revenue	$	632,806	$	664,158

Summary of Information About Contract Assets and Contract Liabilities

The following table provides information about contract assets (also referred to as costs and estimated earnings in excess of billings on uncompleted contracts and retainage receivable) and contract liabilities (also referred to as billings on uncompleted contracts in excess of costs and estimated earnings and forward loss reserve), which include assets and liabilities that are dependent upon future activity:

	December 29,			December 30,
	2023			2022			Change
(In thousands)
Contract assets, current and non-current:
Costs and estimated earnings in excess of billings on uncompleted contracts	$	125,943		$	116,120		$	9,823
Retainage receivable		48,316			48,805			(489	)
Total contract assets		174,259			164,925			9,334
Contract liabilities, current and non-current:
Billings on uncompleted contracts in excess of costs and estimated earnings		(48,841	)		(56,963	)		8,122
Forward loss reserve		(70,159	)		(108,608	)		38,449
Total contract liabilities		(119,000	)		(165,571	)		46,571
Net	$	55,259		$	(646	)	$	55,905

Summary of Unconditional Right to Cash from Clients

The Company’s accounts receivable represents amounts billed to clients that have yet to be collected and represent an unconditional right to cash from its clients as presented below.

	December 29,			December 30,
	2023			2022
(In thousands)
Total accounts receivable, gross	$	55,202		$	57,395
Allowance for doubtful accounts		(1,024	)		(965	)
Accounts receivable, net	$	54,178		$	56,430

Summary of Information About Significant Customers

Information about significant customers

Significant Customers as a Percentage of Accounts Receivable, Net
As of December 29, 2023
Customer one	32.5%
Customer two	21.7%
As of December 30, 2022
Customer one	31.4%
Customer two	21.4%
Customer three	14.4%

Significant Customers as a Percentage of Revenue
Fiscal Year Ended December 29, 2023
Customer one	16.7%
Customer two	14.5%
Customer three	12.9%
Fiscal Year Ended December 30, 2022
Customer one	12.1%
Customer two	10.9%
Customer three	10.8%
Customer four	10.1%