Revenue Recognition (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 03, 2026	Jun. 27, 2025	Jul. 03, 2026	Jun. 27, 2025
Disaggregation of Revenue [Line Items]
Revenue by geographic area	$ 934.8	$ 965.0	$ 2,913.9	$ 2,986.7
Revenue by sales channel	934.8	965.0	2,913.9	2,986.7
Distributors
Disaggregation of Revenue [Line Items]
Revenue by sales channel	775.2	816.8	2,506.6	2,590.2
Direct customers
Disaggregation of Revenue [Line Items]
Revenue by sales channel	159.6	148.2	407.3	396.5
United States
Disaggregation of Revenue [Line Items]
Revenue by geographic area	704.9	724.7	2,198.0	2,295.5
Taiwan
Disaggregation of Revenue [Line Items]
Revenue by geographic area	72.5	75.8	229.1	195.6
China
Disaggregation of Revenue [Line Items]
Revenue by geographic area	66.6	64.6	191.5	193.7
South Korea
Disaggregation of Revenue [Line Items]
Revenue by geographic area	35.9	45.5	136.2	140.0
Europe, Middle East, and Africa
Disaggregation of Revenue [Line Items]
Revenue by geographic area	45.3	44.4	130.9	133.1
Other Asia-Pacific
Disaggregation of Revenue [Line Items]
Revenue by geographic area	$ 9.6	$ 10.0	$ 28.2	$ 28.8