Revenue from Contracts with Customers - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 04, 2020	Mar. 30, 2019	Apr. 04, 2020	Mar. 30, 2019
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	$ 796,302	$ 818,753	$ 1,685,397	$ 1,623,030
Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	767,364	789,051	1,619,773	1,554,595
Elimination of inter-segment sales
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	28,938	29,702	65,624	68,435
Healthcare/Life Sciences | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	270,980	299,636	583,267	600,214
Industrial/Commercial | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	286,803	250,236	596,803	469,378
Aerospace/Defense | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	157,486	140,510	329,608	262,975
Communications | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	52,095	98,669	110,095	222,028
AMER
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	334,454	364,490	687,930	718,357
AMER | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	331,428	363,177	681,000	715,497
AMER | Elimination of inter-segment sales
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	3,026	1,313	6,930	2,860
AMER | Healthcare/Life Sciences | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	117,143	125,434	241,339	241,199
AMER | Industrial/Commercial | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	87,260	94,208	179,181	177,926
AMER | Aerospace/Defense | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	96,197	75,854	201,686	138,227
AMER | Communications | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	30,828	67,681	58,794	158,145
APAC
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	387,845	378,441	838,987	756,553
APAC | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	363,542	351,199	784,553	692,645
APAC | Elimination of inter-segment sales
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	24,303	27,242	54,434	63,908
APAC | Healthcare/Life Sciences | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	118,033	141,655	267,758	293,761
APAC | Industrial/Commercial | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	182,582	131,808	381,928	248,079
APAC | Aerospace/Defense | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	42,933	47,752	86,182	89,846
APAC | Communications | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	19,994	29,984	48,685	60,959
EMEA
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	74,003	75,822	158,480	148,120
EMEA | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	72,394	74,675	154,220	146,453
EMEA | Elimination of inter-segment sales
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	1,609	1,147	4,260	1,667
EMEA | Healthcare/Life Sciences | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	35,804	32,547	74,170	65,254
EMEA | Industrial/Commercial | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	16,961	24,220	35,694	43,373
EMEA | Aerospace/Defense | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	18,356	16,904	41,740	34,902
EMEA | Communications | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	$ 1,273	$ 1,004	$ 2,616	$ 2,924