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Revenue (Disaggregation of revenue) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | $ 566,429 | $ 517,403 | $ 1,092,451 | $ 1,050,408
Operating Segments [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 544,662 | 490,966 | 1,050,383 | 1,005,930
Operating Segments [Member] | Industrials Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 99,906 | 87,130 | 195,358 | 189,956
Operating Segments [Member] | Aerospace And Defense Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 96,680 | 88,524 | 186,061 | 207,724
Operating Segments [Member] | Medical Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 108,905 | 134,751 | 217,095 | 252,727
Operating Segments [Member] | Semi-Cap Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 139,204 | 86,851 | 252,314 | 169,571
Operating Segments [Member] | Computing Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 39,598 | 43,853 | 83,284 | 80,454
Operating Segments [Member] | Telecommunications Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 60,369 | 49,857 | 116,271 | 105,498
Elimination Of Intersegment Sales [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 21,767 | 26,437 | 42,068 | 44,478
Americas [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 292,270 | 288,800 | 569,108 | 603,196
Americas [Member] | Operating Segments [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 279,970 | 271,499 | 546,039 | 575,007
Americas [Member] | Operating Segments [Member] | Industrials Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 20,358 | 24,298 | 41,354 | 58,243
Americas [Member] | Operating Segments [Member] | Aerospace And Defense Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 91,427 | 80,939 | 174,914 | 193,951
Americas [Member] | Operating Segments [Member] | Medical Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 47,920 | 72,434 | 95,344 | 141,813
Americas [Member] | Operating Segments [Member] | Semi-Cap Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 55,492 | 37,321 | 104,358 | 67,770
Americas [Member] | Operating Segments [Member] | Computing Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 32,766 | 35,487 | 68,104 | 65,561
Americas [Member] | Operating Segments [Member] | Telecommunications Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 32,007 | 21,020 | 61,965 | 47,669
Americas [Member] | Elimination Of Intersegment Sales [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 12,300 | 17,301 | 23,069 | 28,189
Asia [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 222,539 | 188,379 | 410,843 | 359,988
Asia [Member] | Operating Segments [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 213,409 | 179,575 | 392,431 | 344,481
Asia [Member] | Operating Segments [Member] | Industrials Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 61,115 | 49,379 | 116,525 | 97,604
Asia [Member] | Operating Segments [Member] | Aerospace And Defense Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 73 | 0 | 73 | 0
Asia [Member] | Operating Segments [Member] | Medical Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 50,386 | 55,890 | 91,170 | 100,093
Asia [Member] | Operating Segments [Member] | Semi-Cap Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 66,781 | 37,151 | 115,542 | 74,443
Asia [Member] | Operating Segments [Member] | Computing Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 6,832 | 8,366 | 15,180 | 14,893
Asia [Member] | Operating Segments [Member] | Telecommunications Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 28,222 | 28,789 | 53,941 | 57,448
Asia [Member] | Elimination Of Intersegment Sales [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 9,130 | 8,804 | 18,412 | 15,507
Europe [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 51,620 | 40,224 | 112,500 | 87,224
Europe [Member] | Operating Segments [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 51,283 | 39,892 | 111,913 | 86,442
Europe [Member] | Operating Segments [Member] | Industrials Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 18,433 | 13,453 | 37,479 | 34,109
Europe [Member] | Operating Segments [Member] | Aerospace And Defense Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 5,180 | 7,585 | 11,074 | 13,773
Europe [Member] | Operating Segments [Member] | Medical Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 10,599 | 6,427 | 30,581 | 10,821
Europe [Member] | Operating Segments [Member] | Semi-Cap Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 16,931 | 12,379 | 32,414 | 27,358
Europe [Member] | Operating Segments [Member] | Computing Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 0 | 0 | 0 | 0
Europe [Member] | Operating Segments [Member] | Telecommunications Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 140 | 48 | 365 | 381
Europe [Member] | Elimination Of Intersegment Sales [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | $ 337 | $ 332 | $ 587 | $ 782

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