Business Combinations (Details) - USD ($) $ / shares in Units, $ in Thousands					3 Months Ended		9 Months Ended
	Sep. 28, 2025	Sep. 26, 2025	Dec. 29, 2024	Sep. 30, 2024	Sep. 28, 2025	Sep. 29, 2024	Sep. 28, 2025	Sep. 29, 2024
Business Combination [Line Items]
Net of cash acquired							$ 20,689
Costs of goods	$ 2,200
Principal amount		$ 20,000
Trading day		30 days
Business days		2 days
Accrued expenses and other current liabilities	4,499		$ 8,628		$ 4,499		4,499
Other long-term liabilities	12,869		8,553		12,869		12,869
Before income taxes					(15,804)	$ (77,958)	(30,099)	$ (101,422)
General and Administrative Expense [Member]
Business Combination [Line Items]
Acquisition cost			$ 7,200
Sunder Energy Acquisition [Member]
Business Combination [Line Items]
Contributed revenue	4,300
Before income taxes	300
SunPower Acquisition [Member]
Business Combination [Line Items]
Aggregate cash consideration				$ 54,500
Net of cash acquired				$ 1,000
Outstanding membership interest		$ 20,700
Sunder Energy Acquisition [Member]
Business Combination [Line Items]
Aggregate cash consideration		$ 57,800
Common stock to be issued (in Shares)		3,333,334
Additional paid-in capital	5,700				5,700		5,700
Accrued expenses and other current liabilities	5,700				5,700		5,700
Other long-term liabilities	$ 5,700				$ 5,700		$ 5,700
12-Month Anniversary [Member]
Business Combination [Line Items]
Common stock to be issued (in Shares)		3,333,333
18-Month Anniversary [Member]
Business Combination [Line Items]
Common stock to be issued (in Shares)		3,333,333
3 Month Anniversary [Member]
Business Combination [Line Items]
Deferred consideration percentage		50.00%
6 Month Anniversary [Member]
Business Combination [Line Items]
Deferred consideration percentage		50.00%
Common Stock [Member] | Sunder Energy Acquisition [Member]
Business Combination [Line Items]
Common stock to be issued (in Shares)		10,000,000
Common Stock [Member]
Business Combination [Line Items]
Price per share (in Dollars per share)		$ 1.71
Common stock of acquisition		$ 17,100