v3.26.1
Summary of Significant Accounting Policies - Schedule of Change in Income Statement (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Jun. 27, 2026
Jun. 28, 2025
Jun. 27, 2026
Jun. 28, 2025
Product Information [Line Items]        
Total cost of revenue $ 559,928 $ 480,279 $ 1,583,017 $ 1,324,814
Gross profit 160,910 111,842 444,286 303,651
Research and development expenses 43,780 49,729 138,069 150,967
Selling, general, and administrative expenses 84,235 71,557 258,020 205,567
Total operating expenses 128,015 137,647 398,774 372,895
Operating income (loss) 32,895 (25,805) 45,512 (69,244)
Income (loss) before income tax and equity method investment 63,482 (17,354) 100,200 (41,257)
Income tax benefit 1,149 (44) (38) 1,204
Net loss 55,000 (21,174) 77,787 (47,884) [1]
Net income (loss) attributable to noncontrolling interests 43,327 (17,251) 61,543 (38,982)
Net income (loss) attributable to common stockholders $ 11,673 $ (3,923) $ 16,244 $ (8,902)
Basic (in dollars per share) $ 0.09 $ (0.04) $ 0.13 $ (0.08)
Diluted (in dollars per share) $ 0.09 $ (0.04) $ 0.12 $ (0.08)
Systems cost of revenue        
Product Information [Line Items]        
Total cost of revenue $ 523,607 $ 453,967 $ 1,489,031 $ 1,246,745
Software maintenance and support cost of revenue        
Product Information [Line Items]        
Total cost of revenue 3,486 1,705 9,808 5,593
Operation services cost of revenue        
Product Information [Line Items]        
Total cost of revenue 32,835 24,607 84,178 72,476
As Computed Under Accelerated Attribution Method        
Product Information [Line Items]        
Total cost of revenue   484,499   1,332,976
Gross profit   107,622   295,489
Research and development expenses   52,147   157,279
Selling, general, and administrative expenses   75,670   215,092
Total operating expenses   144,178   388,732
Operating income (loss)   (36,556)   (93,243)
Income (loss) before income tax and equity method investment   (28,105)   (65,256)
Income tax benefit   (44)   1,204
Net loss   (31,925)   (71,883)
Net income (loss) attributable to noncontrolling interests   (26,012)   (58,569)
Net income (loss) attributable to common stockholders   $ (5,913)   $ (13,314)
Basic (in dollars per share)   $ (0.05)   $ (0.12)
Diluted (in dollars per share)   $ (0.05)   $ (0.12)
As Computed Under Accelerated Attribution Method | Systems cost of revenue        
Product Information [Line Items]        
Total cost of revenue   $ 457,911   $ 1,254,289
As Computed Under Accelerated Attribution Method | Software maintenance and support cost of revenue        
Product Information [Line Items]        
Total cost of revenue   1,756   5,735
As Computed Under Accelerated Attribution Method | Operation services cost of revenue        
Product Information [Line Items]        
Total cost of revenue   24,832   72,952
Effect of Change        
Product Information [Line Items]        
Total cost of revenue   (4,220)   (8,162)
Gross profit   4,220   8,162
Research and development expenses   (2,418)   (6,312)
Selling, general, and administrative expenses   (4,113)   (9,525)
Total operating expenses   (6,531)   (15,837)
Operating income (loss)   10,751   23,999
Income (loss) before income tax and equity method investment $ (2,200) 10,751 $ 5,700 23,999
Income tax benefit   0   0
Net loss   10,751   23,999
Net income (loss) attributable to noncontrolling interests   8,761   19,587
Net income (loss) attributable to common stockholders   $ 1,990   $ 4,412
Basic (in dollars per share)   $ 0.01   $ 0.04
Diluted (in dollars per share)   $ 0.01   $ 0.04
Effect of Change | Systems cost of revenue        
Product Information [Line Items]        
Total cost of revenue   $ (3,944)   $ (7,544)
Effect of Change | Software maintenance and support cost of revenue        
Product Information [Line Items]        
Total cost of revenue   (51)   (142)
Effect of Change | Operation services cost of revenue        
Product Information [Line Items]        
Total cost of revenue   $ (225)   $ (476)
[1] Refer to Note 2 for a description of the revision related to the statement of cash flows for the nine months ended June 28, 2025.