Segment and Geographic Information - Schedule of Revenue by Geographical Region (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Jun. 27, 2026	Jun. 28, 2025	Jun. 27, 2026	Jun. 28, 2025
Segment Reporting [Line Items]
Total revenue	$ 720,838	$ 592,121	$ 2,027,303	$ 1,628,465
United States
Segment Reporting [Line Items]
Total revenue	637,359	584,885	1,870,917	1,594,674
International
Segment Reporting [Line Items]
Total revenue	$ 83,479	$ 7,236	$ 156,386	$ 33,791
International \| Revenue from Contract with Customer Benchmark \| Geographic Concentration Risk
Segment Reporting [Line Items]
Concentration risk, percentage	12.00%	1.00%	8.00%	2.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details