Revenue from Contracts with Customers - Schedule of Disaggregation of Revenue (Details) $ in Thousands	12 Months Ended
	Sep. 28, 2019 USD ($)
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	$ 3,296,446
Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	3,164,434
Elimination of inter-segment sales
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	132,012
Healthcare/Life Sciences | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	1,219,998
Industrial/Commercial | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	981,220
Aerospace/Defense | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	588,600
Communications | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	374,616
AMER
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	1,429,308
AMER | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	1,422,313
AMER | Elimination of inter-segment sales
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	6,995
AMER | Healthcare/Life Sciences | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	488,851
AMER | Industrial/Commercial | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	359,381
AMER | Aerospace/Defense | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	317,558
AMER | Communications | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	256,523
APAC
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	1,557,205
APAC | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	1,437,708
APAC | Elimination of inter-segment sales
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	119,497
APAC | Healthcare/Life Sciences | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	602,922
APAC | Industrial/Commercial | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	534,971
APAC | Aerospace/Defense | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	186,486
APAC | Communications | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	113,329
EMEA
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	309,933
EMEA | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	304,413
EMEA | Elimination of inter-segment sales
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	5,520
EMEA | Healthcare/Life Sciences | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	128,225
EMEA | Industrial/Commercial | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	86,868
EMEA | Aerospace/Defense | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	84,556
EMEA | Communications | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	$ 4,764