v3.26.1
Net Loss Per Share - Incremental shares for diluted per share calculation (Details) - shares
 12 Months Ended
Jun. 28, 2026
Jun. 29, 2025
Jun. 30, 2024
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]      
Series A preferred stock (as-converted) 10,271,314 9,752,160 10,831,916
Impact of incremental shares (in shares) 14,156,343 16,601,626 19,604,999
Service based RSUs      
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]      
Share-based payment arrangements 113,040 697,364 676,064
Market and service based RSUs      
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]      
Share-based payment arrangements 564,198 500,141 191,325
Stock options      
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]      
Share-based payment arrangements 3,135,262 5,553,666 7,838,853
ESPP      
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]      
Share-based payment arrangements 72,529 98,295 66,841
Class A common stock      
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]      
Series A preferred stock (as-converted) 10,271,314 9,752,160 10,831,916
Impact of incremental shares (in shares) 11,033,527 11,096,165 13,401,599
Class A common stock | Service based RSUs      
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]      
Share-based payment arrangements 113,040 697,364 676,064
Class A common stock | Market and service based RSUs      
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]      
Share-based payment arrangements 564,198 500,141 191,325
Class A common stock | Stock options      
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]      
Share-based payment arrangements 12,446 48,205 1,635,453
Class A common stock | ESPP      
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]      
Share-based payment arrangements 72,529 98,295 66,841
Class B common stock      
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]      
Series A preferred stock (as-converted) 0 0 0
Impact of incremental shares (in shares) 3,122,816 5,505,461 6,203,400
Class B common stock | Service based RSUs      
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]      
Share-based payment arrangements 0 0 0
Class B common stock | Market and service based RSUs      
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]      
Share-based payment arrangements 0 0 0
Class B common stock | Stock options      
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]      
Share-based payment arrangements 3,122,816 5,505,461 6,203,400
Class B common stock | ESPP      
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]      
Share-based payment arrangements 0 0 0