Stockholders' Equity and Stock Compensation Plans - ESPP Summary (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Sep. 28, 2025	Sep. 29, 2024	Oct. 01, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash received from exercise of purchase rights	$ 469	$ 3,067	$ 626
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares purchased (in shares)	458	522	492
Weighted-average purchase price per share (in dollars per share)	$ 33.39	$ 28.14	$ 25.66
Cash received from exercise of purchase rights	$ 15,307	$ 14,675	$ 12,628