Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Jan. 03, 2025	Dec. 29, 2023
Deferred tax liabilities:
Depreciation and amortization	$ (640)	$ (10,598)
Right-of-use asset	(6,640)	(6,654)
Total deferred tax liabilities	(7,280)	(17,252)
Deferred tax assets:
Intangible assets	30,317	34,457
Contract loss reserve	7,854	11,143
Investment in partnerships	22,770	16,453
Lease liability	6,181	6,586
Stock compensation	3,083	1,428
Accrued expenses and reserves	7,814	5,895
Section 382 limitation	45,587	39,622
Net operating loss carryforwards	51,777	24,629
Other deferred tax assets	2,173	715
Total deferred tax assets	177,556	140,928
Net deferred tax assets before valuation allowance	170,276	123,676
Less: Valuation allowance	(170,276)	(123,676)
Net deferred tax assets	$ 0	$ 0