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Revenue from Contracts with Customers - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 12 Months Ended
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Sep. 30, 2023 | Oct. 01, 2022 | Oct. 02, 2021
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer | $ 4,319,660 | $ 3,927,642 | $ 3,480,676
Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer | 4,210,305 | 3,811,368 | 3,368,865
Elimination of inter-segment sales |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer | 109,355 | 116,274 | 111,811
Healthcare/Life Sciences | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer | 1,874,774 | 1,565,771 | 1,326,772
Industrial | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer | 1,756,525 | 1,752,718 | 1,548,975
Aerospace/Defense | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer | 579,006 | 492,879 | 493,118
AMER |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer | 1,558,230 | 1,310,687 | 1,317,404
AMER | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer | 1,542,519 | 1,300,403 | 1,307,352
AMER | Elimination of inter-segment sales |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer | 15,711 | 10,284 | 10,052
AMER | Healthcare/Life Sciences | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer | 862,767 | 645,881 | 566,693
AMER | Industrial | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer | 398,120 | 398,743 | 462,789
AMER | Aerospace/Defense | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer | 281,632 | 255,779 | 277,870
APAC |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer | 2,358,390 | 2,300,640 | 1,850,603
APAC | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer | 2,269,517 | 2,198,225 | 1,750,924
APAC | Elimination of inter-segment sales |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer | 88,873 | 102,415 | 99,679
APAC | Healthcare/Life Sciences | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer | 809,165 | 744,216 | 605,249
APAC | Industrial | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer | 1,248,016 | 1,288,577 | 1,010,833
APAC | Aerospace/Defense | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer | 212,336 | 165,432 | 134,842
EMEA |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer | 403,040 | 316,315 | 312,669
EMEA | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer | 398,269 | 312,740 | 310,589
EMEA | Elimination of inter-segment sales |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer | 4,771 | 3,575 | 2,080
EMEA | Healthcare/Life Sciences | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer | 202,842 | 175,674 | 154,830
EMEA | Industrial | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer | 110,389 | 65,398 | 75,353
EMEA | Aerospace/Defense | Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Revenue from Contract with Customer | $ 85,038 | $ 71,668 | $ 80,406

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