Discontinued Operations - Schedule of Notable Components Included In Consolidated Statements of Cash Flows For These Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 27, 2025	Jun. 28, 2024	Jun. 27, 2025	Jun. 28, 2024
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Intangible assets			$ 115,946	$ 156,292
Discontinued Operations, Disposed of by Means Other than Sale, Spinoff | SpinCo Business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Property, equipment and improvements	$ 0	$ 4,446	0	12,237
Intangible assets	0	14,217	0	42,574
Deferred income taxes	2,404	3,843	2,404	(3,694)
Additions to property and equipment	$ 0	$ (4,007)	$ 0	$ (9,677)