Reportable Segments, Geographic Information and Major Customers - Schedule of Net Sales and Long-Lived Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2023	Oct. 01, 2022	Oct. 02, 2021
Net sales	$ 4,210,305	$ 3,811,368	$ 3,368,865
Long-Lived Assets	561,399	509,839
United States
Net sales	1,001,697	869,144	914,360
Long-Lived Assets	107,392	105,272
Malaysia
Net sales	1,886,970	1,846,086	1,495,049
Long-Lived Assets	159,182	152,317
Mexico
Net sales	556,532	441,543	403,044
Long-Lived Assets	77,757	77,947
China
Net sales	456,443	453,591	355,554
Long-Lived Assets	44,068	37,608
Romania
Net sales	297,969	217,052	202,649
Long-Lived Assets	51,653	23,894
United Kingdom
Net sales	98,314	91,137	99,365
Long-Lived Assets	8,234	6,842
Thailand
Net sales	14,978	963	0
Long-Lived Assets	58,009	56,115
Germany
Net sales	6,757	8,126	10,655
Other Foreign
Long-Lived Assets	2,767	2,899
Elimination of inter-segment sales
Net sales	(109,355)	(116,274)	$ (111,811)
Corporate
Long-Lived Assets	$ 52,337	$ 46,945