Acquisitions, Divestitures and Assets Held for Sale (Narrative) (Details) - USD ($) $ in Thousands				12 Months Ended
	Jul. 01, 2025	Sep. 30, 2024	Oct. 20, 2023	Sep. 27, 2025	Sep. 28, 2024	Sep. 30, 2023
Business Acquisitions, Divestitures and Assets Held for Sale
Business Combination, Consideration Transferred, Equity Interest				$ 20,294	$ 0	$ 0
Space And Defense
Business Acquisitions, Divestitures and Assets Held for Sale
Disposal Group, Including Discontinued Operation, Prepaid and Other Assets, Current				61,067
Current Liabilities Held for Sale				15,524
Industrial
Business Acquisitions, Divestitures and Assets Held for Sale
Loss on Assets Held for Sale					14,897
Disposal Group, Including Discontinued Operation, Prepaid and Other Assets, Current					9,360
Current Liabilities Held for Sale					$ 5,153
Disposal Group, Including Discontinued Operation, Description and Timing of Disposal		We completed the sale of these businesses on September 30, 2024, which required the release of the associated cumulative translation adjustment.
Cotsworks | Space And Defense
Business Acquisitions, Divestitures and Assets Held for Sale
Purchase price, net of acquired cash	$ 61,473
Business Combination, Consideration Transferred, Equity Interest	$ 20,294
Finite-Lived Intangible Assets Acquired				$ 12,000
DCL | Military Aircraft
Business Acquisitions, Divestitures and Assets Held for Sale
Purchase price, net of acquired cash			$ 5,911