Acquisitions and Divestitures - Schedule of Estimated Contingent Consideration (Details) - USD ($) $ in Thousands	12 Months Ended
Sep. 28, 2025	Sep. 29, 2024	Oct. 01, 2023
All acquisitions
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Maximum potential payout at end of period	$ 120,182	$ 102,006	$ 113,820
Contingent consideration
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	48,746	73,422	65,566
Estimated earn-out liabilities for acquisitions	43,493	23,038	12,248
Payments of contingent consideration	(26,225)	(54,050)	(21,328)
Adjustments to fair value reported in earnings	(12,228)	2,541	12,255
Interest accretion expense	2,661	2,639	2,480
Effect of foreign currency exchange rate changes	514	1,156	2,201
Ending balance	$ 56,961	$ 48,746	$ 73,422

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