Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Sep. 28, 2024	Sep. 30, 2023	Sep. 24, 2022
Statement of Comprehensive Income [Abstract]
Net loss	$ (84,672)	$ (207,894)	$ (139,089)
Less: Net loss attributable to Legacy Warehouse unitholders prior to the Business Combination	0	0	(72,134)
Less: Net loss attributable to noncontrolling interests	(71,182)	(184,028)	(60,092)
Net loss attributable to common stockholders	(13,490)	(23,866)	(6,863)
Other comprehensive income (loss):
Foreign currency translation adjustments	(75)	(265)	(2,338)
Changes in unrealized gain on investments, net of income taxes of $— for the years ended September 28, 2024, September 30, 2023, and September 24, 2022	(5,481)	5,478	0
Total other comprehensive income (loss)	(5,556)	5,213	(2,338)
Less: other comprehensive income (loss) attributable to Legacy Warehouse unitholders prior to the Business Combination	0	0	37
Less: other comprehensive income (loss) attributable to noncontrolling interests	(4,649)	4,606	0
Other comprehensive income attributable to common stockholders	(907)	607	(2,375)
Comprehensive loss	(90,228)	(202,681)	(141,427)
Less: Comprehensive loss attributable to Legacy Warehouse unitholders prior to the Business Combination	0	0	(72,097)
Less: Comprehensive loss attributable to noncontrolling interests	(75,831)	(179,422)	(62,228)
Total comprehensive loss attributable to common stockholders	$ (14,397)	$ (23,259)	$ (7,102)