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Revenue (Disaggregation of revenue) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | $ 542,686 | $ 575,094 | $ 1,593,094 | $ 1,822,751
Operating Segments [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 525,951 | 555,229 | 1,531,881 | 1,759,651
Operating Segments [Member] | Industrials Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 86,184 | 114,973 | 276,140 | 346,010
Operating Segments [Member] | Aerospace And Defense Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 104,899 | 115,354 | 312,623 | 326,208
Operating Segments [Member] | Medical Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 134,142 | 127,773 | 386,869 | 345,438
Operating Segments [Member] | Semi-Cap Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 98,721 | 68,051 | 268,292 | 196,522
Operating Segments [Member] | Computing Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 44,339 | 59,522 | 124,793 | 316,522
Operating Segments [Member] | Telecommunications Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 57,666 | 69,556 | 163,164 | 228,951
Elimination Of Intersegment Sales [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 16,735 | 19,865 | 61,213 | 63,100
Americas [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 305,636 | 344,361 | 908,832 | 1,140,581
Americas [Member] | Operating Segments [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 295,465 | 333,785 | 870,472 | 1,103,746
Americas [Member] | Operating Segments [Member] | Industrials Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 24,303 | 41,328 | 82,546 | 127,714
Americas [Member] | Operating Segments [Member] | Aerospace And Defense Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 100,941 | 108,101 | 294,892 | 302,961
Americas [Member] | Operating Segments [Member] | Medical Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 65,389 | 79,201 | 207,202 | 205,575
Americas [Member] | Operating Segments [Member] | Semi-Cap Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 47,021 | 23,998 | 114,791 | 78,536
Americas [Member] | Operating Segments [Member] | Computing Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 35,788 | 47,364 | 101,349 | 277,538
Americas [Member] | Operating Segments [Member] | Telecommunications Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 22,023 | 33,793 | 69,692 | 111,422
Americas [Member] | Elimination Of Intersegment Sales [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 10,171 | 10,576 | 38,360 | 36,835
Asia [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 197,507 | 188,092 | 557,495 | 549,671
Asia [Member] | Operating Segments [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 191,207 | 178,985 | 535,688 | 523,957
Asia [Member] | Operating Segments [Member] | Industrials Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 47,281 | 55,454 | 144,885 | 162,681
Asia [Member] | Operating Segments [Member] | Aerospace And Defense Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 0 | 0 | 0 | 0
Asia [Member] | Operating Segments [Member] | Medical Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 61,322 | 44,582 | 161,415 | 126,486
Asia [Member] | Operating Segments [Member] | Semi-Cap Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 38,546 | 31,332 | 112,989 | 79,801
Asia [Member] | Operating Segments [Member] | Computing Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 8,551 | 12,158 | 23,444 | 38,899
Asia [Member] | Operating Segments [Member] | Telecommunications Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 35,507 | 35,459 | 92,955 | 116,090
Asia [Member] | Elimination Of Intersegment Sales [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 6,300 | 9,107 | 21,807 | 25,714
Europe [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 39,543 | 42,641 | 126,767 | 132,499
Europe [Member] | Operating Segments [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 39,279 | 42,459 | 125,721 | 131,948
Europe [Member] | Operating Segments [Member] | Industrials Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 14,600 | 18,191 | 48,709 | 55,615
Europe [Member] | Operating Segments [Member] | Aerospace And Defense Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 3,958 | 7,253 | 17,731 | 23,247
Europe [Member] | Operating Segments [Member] | Medical Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 7,431 | 3,990 | 18,252 | 13,377
Europe [Member] | Operating Segments [Member] | Semi-Cap Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 13,154 | 12,721 | 40,512 | 38,185
Europe [Member] | Operating Segments [Member] | Computing Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 0 | 0 | 0 | 85
Europe [Member] | Operating Segments [Member] | Telecommunications Sector [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | 136 | 304 | 517 | 1,439
Europe [Member] | Elimination Of Intersegment Sales [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Revenue from Contract with Customer, Excluding Assessed Tax | $ 264 | $ 182 | $ 1,046 | $ 551

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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8906-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9031-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9038-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130543-203045 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9054-108599 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 924 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -URI http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856 + Details
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