Revenue From Contracts with Customers - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Mar. 30, 2019	Mar. 30, 2019
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	$ 818,753	$ 1,623,030
Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	789,051	1,554,595
Elimination of inter-segment sales
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	29,702	68,435
Healthcare/Life Sciences | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	299,636	600,214
Industrial/Commercial | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	250,236	469,378
Aerospace/Defense | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	140,510	262,975
Communications | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	98,669	222,028
AMER
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	364,490	718,357
AMER | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	363,177	715,497
AMER | Elimination of inter-segment sales
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	1,313	2,860
AMER | Healthcare/Life Sciences | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	125,434	241,199
AMER | Industrial/Commercial | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	94,208	177,926
AMER | Aerospace/Defense | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	75,854	138,227
AMER | Communications | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	67,681	158,145
APAC
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	378,441	756,553
APAC | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	351,199	692,645
APAC | Elimination of inter-segment sales
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	27,242	63,908
APAC | Healthcare/Life Sciences | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	141,655	293,761
APAC | Industrial/Commercial | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	131,808	248,079
APAC | Aerospace/Defense | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	47,752	89,846
APAC | Communications | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	29,984	60,959
EMEA
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	75,822	148,120
EMEA | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	74,675	146,453
EMEA | Elimination of inter-segment sales
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	1,147	1,667
EMEA | Healthcare/Life Sciences | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	32,547	65,254
EMEA | Industrial/Commercial | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	24,220	43,373
EMEA | Aerospace/Defense | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	16,904	34,902
EMEA | Communications | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	$ 1,004	$ 2,924