Income Taxes - Summary of Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Jun. 30, 2021	Jun. 27, 2020	Jun. 30, 2021	Jun. 27, 2020
Income Tax Disclosure [Abstract]
Income before income taxes	$ 58,469	$ 44,516	$ 222,233	$ 79,325
Provision for income taxes	$ 7,266	$ 9,838	$ 38,253	$ 2,036
Effective income tax rate	12.00%	22.00%	17.00%	3.00%

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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+ Details

- Definition

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

+ References + Details