Employee Benefit Plans (Defined Contribution Expense) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 28, 2026	Mar. 29, 2025	Mar. 28, 2026	Mar. 29, 2025
U.S. Plans
Defined Contribution Plan Disclosure
Total expense for defined contribution plans	$ 14,009	$ 12,427	$ 27,814	$ 24,307
Non-U.S. Plans
Defined Contribution Plan Disclosure
Total expense for defined contribution plans	3,058	2,591	6,106	5,144
Defined Contribution Pension Plans
Defined Contribution Plan Disclosure
Total expense for defined contribution plans	$ 17,067	$ 15,018	$ 33,920	$ 29,451