Consolidated Statements Of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Jun. 28, 2024	Jun. 30, 2023	Jun. 28, 2024	Jun. 30, 2023
Income Statement [Abstract]
Net revenue	$ 905.5	$ 1,071.2	$ 3,153.0	$ 3,553.6
Cost of goods sold	541.4	607.1	1,862.0	1,924.4
Gross profit	364.1	464.1	1,291.0	1,629.2
Operating expenses:
Research and development	160.7	148.0	468.1	460.0
Selling, general, and administrative	71.2	77.2	226.7	240.7
Amortization of intangibles	0.2	3.8	0.7	29.5
Restructuring, impairment, and other charges	1.6	4.4	17.5	28.0
Total operating expenses	233.7	233.4	713.0	758.2
Operating income	130.4	230.7	578.0	871.0
Interest expense	(6.6)	(16.2)	(23.8)	(52.0)
Other income, net	9.6	7.6	23.8	13.6
Income before income taxes	133.4	222.1	578.0	832.6
Provision for income taxes	12.5	26.3	42.5	94.6
Net income	$ 120.9	$ 195.8	$ 535.5	$ 738.0
Earnings per share:
Basic (in dollars per share)	$ 0.75	$ 1.23	$ 3.34	$ 4.63
Diluted (in dollars per share)	$ 0.75	$ 1.22	$ 3.32	$ 4.61
Weighted average shares:
Basic (in shares)	160.4	159.2	160.2	159.4
Diluted (in shares)	161.4	160.0	161.4	160.0
Common stock, dividends declared (in dollars per share)	$ 0.68	$ 0.62	$ 2.04	$ 1.86