Business Segments and Geographic Information - Revenues by Geography (Details)	12 Months Ended
	Sep. 28, 2024	Sep. 30, 2023	Sep. 24, 2022
Schedule Of Geographical Segments [Line Items]
Revenues	100.00%	100.00%	100.00%
United States
Schedule Of Geographical Segments [Line Items]
Revenues	75.00%	75.90%	71.30%
Europe
Schedule Of Geographical Segments [Line Items]
Revenues	13.20%	12.90%	18.30%
Asia-Pacific
Schedule Of Geographical Segments [Line Items]
Revenues	6.50%	6.30%	7.40%
Rest of world
Schedule Of Geographical Segments [Line Items]
Revenues	5.30%	4.90%	3.00%