Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Jun. 26, 2026	Jun. 27, 2025	Jun. 26, 2026	Jun. 27, 2025	Sep. 26, 2025
Income Tax Disclosure [Abstract]
Unrecognized tax benefits, gross	$ 92,700		$ 92,700		$ 83,700
Unrecognized tax benefits if recognized, would affect our effective tax rate	$ 30,500		$ 30,500		$ 28,100
Effective tax rate (as a percent)	33.30%	16.20%	24.10%	21.00%
Income tax expense	$ 14,588	$ 8,974	$ 56,800	$ 55,000
Federal tax rate	21.00%

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

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+ Details