Net Loss per Share - Narrative (Details)	9 Months Ended
	Jun. 25, 2022 shares
Common Voting Shares, Class V-1
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of dilutive earnings per share (in shares)	60,844,573
Common Voting Shares, Class V-3
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of dilutive earnings per share (in shares)	416,933,025
Unvested Warrants
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of dilutive earnings per share (in shares)	15,870,411
Earnout Interests
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of dilutive earnings per share (in shares)	20,000,000
Sponsor Shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of dilutive earnings per share (in shares)	3,616,000