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Income Taxes - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 01, 2022	Jul. 02, 2021	Jul. 01, 2022	Jul. 02, 2021
Income Tax Examination [Line Items]
Effective income tax rate	21.90%	38.50%	20.40%	33.40%
Reversal of withholding tax accrual	$ 9.1		$ 9.1
Amount of foreign tax credit			15.4
Foreign Tax Authority | U.K.
Income Tax Examination [Line Items]
Change in enacted tax rate	$ 30.8
Foreign Tax Authority | Australian Taxation Office
Income Tax Examination [Line Items]
Amended tax return			$ 15.6

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Effective Income Tax Rate Reconciliation, Reversal of Withholding Tax on Related Party Receivables

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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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-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations, attributable to increase (decrease) in the income tax rates.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to revisions of previously reported income tax expense (benefit).

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign tax credit.

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