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Shareholders Equity Components of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |
Accumulated other comprehensive loss |  | $ (104,885) |  | $ (262,211) |  | $ (299,449)
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax |  | (63,027) |  | (245,705) |  | (266,327)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent |  | 157,326 |  | 37,238 |  |
Foreign Currency Translation Adjustment and Other, Net |  | 182,678 |  | 20,622 |  |
Unrealized Gain (Loss) on Foreign Exchange Contracts Designated as Net Investment Hedges, Net |  | (13,488) |  | 10,368 |  | 0
Unrealized Gain (Loss) on Interest Rate Swaps Designated as Cash Flow Hedges, Net |  | (9,000) |  | (7,787) |  | 931
Employee Benefit Plan Items, Net |  | 2,864 |  | (14,035) |  | (8,253)
Wyle Defined Benefit Plan [Member] |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement |  | 0 |  | (20,111) |  |
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax |  |  |  | 15,257 |  |
Other comprehensive income (loss) before reclassifications [Member] |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent |  | 159,929 | [1] | 12,301 |  |
Foreign Currency Translation Adjustment and Other, Net | [1] | 183,636 |  | 7,658 |  |
Unrealized Gain (Loss) on Foreign Exchange Contracts Designated as Net Investment Hedges, Net |  | (6,802) |  | 16,489 |  |
Unrealized Gain (Loss) on Interest Rate Swaps Designated as Cash Flow Hedges, Net |  | (12,023) |  | (8,767) |  |
Employee Benefit Plan Items, Net |  | (4,882) |  | (3,079) |  |
Unrealized Gain (Loss) on Foreign Exchange Contracts Designated as Net Investment Hedges, Net |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |
Accumulated other comprehensive loss |  | (3,120) |  | 10,368 |  | 0
Unrealized Gain (Loss) on Foreign Exchange Contracts Designated as Net Investment Hedges, Net |  | (13,488) |  | 10,368 |  |
Unrealized Gain (Loss) on Interest Rate Swaps Designated as Cash Flow Hedges, Net [Member] |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |
Accumulated other comprehensive loss |  | (22,347) |  | (13,347) |  | (5,560)
Unrealized Gain (Loss) on Interest Rate Swaps Designated as Cash Flow Hedges, Net |  | (9,000) |  | (7,787) |  |
Employee Benefit Plan Items, Net [Member] |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |
Accumulated other comprehensive loss |  | (16,391) |  | (13,527) |  | $ (27,562)
Employee Benefit Plan Items, Net |  | (2,864) |  | 14,035 |  |
Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent |  | (2,603) | [2] | 24,937 | [1] |
Foreign Currency Translation Adjustment and Other, Net |  | (958) | [2] | 12,964 | [1] |
Unrealized Gain (Loss) on Foreign Exchange Contracts Designated as Net Investment Hedges, Net |  | (6,686) |  | (6,121) |  |
Unrealized Gain (Loss) on Interest Rate Swaps Designated as Cash Flow Hedges, Net |  | 3,023 |  | 980 |  |
Employee Benefit Plan Items, Net |  | 2,018 | [2] | 17,114 |  |
Intra-entity foreign currency transactions [Member] | Other comprehensive income (loss) before reclassifications [Member] |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |
Foreign Currency Translation Adjustment and Other, Net |  | $ 31,470 |  | 10,630 |  |
Reclassification of cumulative translation adjustments to earnings upon sale [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |
Foreign Currency Translation Adjustment and Other, Net |  |  |  | $ 19,602 |  |
[1] | Foreign currency translation adjustment includes intra-entity foreign currency transactions that are of a long-term investment nature of $31,470 and $10,630 for 2020 and 2019, respectively.
[2] | Foreign currency translation adjustment includes a reclassification of cumulative translation adjustments to earnings upon the sale of three foreign subsidiaries during 2019 of $19,602 (Note 2). Employee Benefit Plan Items, net includes a pre-tax pension settlement expense of $20,111 ($15,257 net of tax) for 2019 (Note 13).

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- Definition Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=118930883&loc=d3e637-108580 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=118261656&loc=d3e32022-110900 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=118930883&loc=d3e681-108580 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 45 -Paragraph 5A -URI http://asc.fasb.org/extlink&oid=116690757&loc=SL116692626-108610 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669646-108580 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669686-108580 + Details
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