Net Income Per Share Attributable to Common Stockholders - Antidilutive Securities (Details) - shares	3 Months Ended
	Dec. 31, 2022	Jan. 01, 2022
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially antidilutive securities (in shares)	16,350,683	9,479,520
Stock options to purchase common stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially antidilutive securities (in shares)	8,624,436	5,838,942
Restricted stock units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially antidilutive securities (in shares)	7,664,566	3,529,909
Performance stock units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Potentially antidilutive securities (in shares)	61,681	110,669