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Revenue - Schedules of Concentration Risk (Details) - Customer Concentration Risk	3 Months Ended		9 Months Ended		12 Months Ended
	Jun. 28, 2025	Jun. 29, 2024	Jun. 28, 2025	Jun. 29, 2024	Sep. 28, 2024
Revenue from Contract with Customer Benchmark | Customer A
Concentration Risk [Line Items]
Concentration risk, percentage	83.80%	89.60%	85.10%	86.00%
Accounts Receivable | Aggregate Percent of Total Accounts Receivable
Concentration Risk [Line Items]
Concentration risk, percentage			88.90%		92.80%
Accounts Receivable | Customer A
Concentration Risk [Line Items]
Concentration risk, percentage			38.50%		92.80%
Accounts Receivable | Customer B
Concentration Risk [Line Items]
Concentration risk, percentage			37.70%
Accounts Receivable | Customer C
Concentration Risk [Line Items]
Concentration risk, percentage			12.70%

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