Income Taxes - Income Before Income Taxes, by Geographical Area (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 28, 2025	Sep. 29, 2024	Oct. 01, 2023
Income before income taxes:
United States	$ 176,118	$ 294,401	$ 287,295
Foreign	201,499	169,065	113,683
Income before income tax expense	$ 377,617	$ 463,466	$ 400,978