Income Taxes, Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Oct. 02, 2026	Oct. 03, 2025
Deferred tax assets:
Inventory	$ 37.2	$ 24.4
Accrued compensation and benefits	20.3	18.6
Product returns, allowances, and warranty	16.7	5.1
Share-based compensation	32.3	32.4
Net operating loss carry forwards	6.2	6.4
Tax credits	198.1	179.6
Lease liabilities	40.5	48.9
R&D capitalization	316.7	257.6
Intangible assets	35.6	43.6
Other, net	9.2	15.8
Deferred tax assets	712.8	632.4
Less valuation allowance	(204.3)	(186.8)
Net deferred tax assets	508.5	445.6
Deferred tax liabilities:
Property, plant, and equipment	(28.8)	(48.0)
Right of use assets	(41.6)	(50.1)
Net deferred tax liabilities	(70.4)	(98.1)
Total net deferred tax assets	438.1	347.5
Income Taxes [Line Items]
Deferred tax assets	468.9	375.6
Total net deferred tax assets	438.1	347.5
Location, Statement of Financial Position, Balance [Axis]: us-gaap:DeferredIncomeTaxAssetsNet
Income Taxes [Line Items]
Deferred tax assets	468.9	375.6
Location, Statement of Financial Position, Balance [Axis]: us-gaap:OtherLiabilitiesNoncurrent
Income Taxes [Line Items]
Deferred tax liabilities	$ (30.8)	$ (28.1)