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Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2023	Apr. 01, 2022	Mar. 31, 2023	Apr. 01, 2022	Sep. 30, 2022
Income Tax Disclosure [Abstract]
Unrecognized tax benefits, gross	$ 77,400		$ 77,400		$ 69,700
Unrecognized tax benefits if recognized, would affect our effective tax rate	$ 53,800		$ 53,800		$ 44,000
Effective tax rate (as a percent)	18.20%	16.00%	19.30%	13.60%
Provision (benefit) for income taxes	$ 21,398	$ 6,932	$ 41,932	$ 18,364
Federal tax rate	21.00%

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- Definition

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

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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