Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Jun. 28, 2019	Jun. 29, 2018	Jun. 28, 2019	Jun. 29, 2018
Income Tax Disclosure [Abstract]
United States income taxes	$ 1.8	$ 16.0	$ 52.7	$ 328.7
Foreign income taxes	16.0	8.3	31.3	27.1
Provision for income taxes	$ 17.8	$ 24.3	$ 84.0	$ 355.8
Effective tax rate	11.00%	7.80%	11.60%	36.00%

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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