Consolidated Statements Of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Jul. 03, 2026	Jun. 27, 2025	Jul. 03, 2026	Jun. 27, 2025
Income Statement [Abstract]
Net revenue	$ 934.8	$ 965.0	$ 2,913.9	$ 2,986.7
Cost of goods sold	559.8	564.0	1,726.3	1,752.1
Gross profit	375.0	401.0	1,187.6	1,234.6
Operating expenses:
Research and development	207.8	199.4	623.5	562.4
Selling, general, and administrative	98.7	89.3	326.8	259.9
Amortization of intangibles	0.2	0.2	0.7	0.7
Restructuring, impairment, and other charges	19.8	1.5	42.2	22.6
Total operating expenses	326.5	290.4	993.2	845.6
Operating income	48.5	110.6	194.4	389.0
Interest expense	(5.9)	(6.6)	(19.8)	(20.2)
Other income, net	6.2	8.0	29.3	35.9
Income before income taxes	48.8	112.0	203.9	404.7
Provision for income taxes	14.9	7.0	55.2	69.0
Net income	$ 33.9	$ 105.0	$ 148.7	$ 335.7
Earnings per share:
Basic (in dollars per share)	$ 0.23	$ 0.70	$ 0.99	$ 2.15
Diluted (in dollars per share)	$ 0.22	$ 0.70	$ 0.99	$ 2.14
Weighted average shares:
Basic (in shares)	150.4	150.0	150.1	156.3
Diluted (in shares)	151.4	150.3	150.8	156.9
Common stock, dividends declared (in dollars per share)	$ 0.71	$ 0.70	$ 2.13	$ 2.10