Unaudited Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 29, 2024	Jun. 24, 2023	Jun. 29, 2024	Jun. 24, 2023
Revenue:
Total revenue	$ 470,338	$ 311,837	$ 1,223,613	$ 785,003
Cost of revenue:
Total cost of revenue	415,365	258,928	1,074,364	654,053
Gross profit	54,973	52,909	149,249	130,950
Operating expenses:
Research and development expenses	44,722	48,845	133,327	149,251
Selling, general, and administrative expenses	47,871	46,073	143,535	150,994
Total operating expenses	92,593	94,918	276,862	300,245
Operating loss	(37,620)	(42,009)	(127,613)	(169,295)
Other income, net	11,615	2,937	27,626	7,055
Loss before income tax and equity method investment	(26,005)	(39,072)	(99,987)	(162,240)
Income tax expense	(182)	(5)	(102)	(239)
Loss from equity method investment	(537)	0	(537)	0
Net loss	(26,724)	(39,077)	(100,626)	(162,479)
Net loss attributable to noncontrolling interests	(22,043)	(34,730)	(84,300)	(144,821)
Net loss attributable to common stockholders	$ (4,681)	$ (4,347)	$ (16,326)	$ (17,658)
Loss per share of Class A Common Stock:
Basic (in dollars per share)	$ (0.05)	$ (0.07)	$ (0.18)	$ (0.29)
Diluted (in dollars per share)	$ (0.05)	$ (0.07)	$ (0.18)	$ (0.29)
Weighted-average shares of Class A Common Stock outstanding:
Basic (in shares)	102,414,284	61,782,886	92,891,276	60,160,039
Diluted (in shares)	102,414,284	61,782,886	92,891,276	60,160,039
Systems
Revenue:
Total revenue	$ 450,595	$ 302,350	$ 1,168,993	$ 757,854
Cost of revenue:
Total cost of revenue	398,761	244,660	1,024,832	618,651
Software maintenance and support
Revenue:
Total revenue	3,545	1,768	8,280	4,466
Cost of revenue:
Total cost of revenue	2,539	3,603	6,201	7,380
Operation services
Revenue:
Total revenue	16,198	7,719	46,340	22,683
Cost of revenue:
Total cost of revenue	$ 14,065	$ 10,665	$ 43,331	$ 28,022