Consolidated Statement of Other Comprehensive Income Statement - USD ($) $ in Millions	12 Months Ended
Oct. 02, 2020	Sep. 27, 2019	Sep. 28, 2018
Statement of Comprehensive Income [Abstract]
Net Income	$ 814.8	$ 853.6	$ 918.4
Other Comprehensive Income, Net of Tax
Fair value of investments		0.3	(0.1)
Pension adjustments	0.0	0.5	0.0
Foreign currency translation adjustment	0.0	0.0	(0.2)
Comprehensive income	$ 814.9	$ 854.4	$ 918.1

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Amount after tax and reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Excludes amounts related to other than temporary impairment (OTTI) loss.

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