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Segment Information - Summary of Revenue Disaggregated by Reportable Operating Segments (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Segment Reporting Information [Line Items] |  |  |  |
Disaggregation of revenue | $ 2,534,354 | $ 2,447,521 | $ 7,928,581 | $ 6,870,090
Gross revenue recognition (Principal) |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Disaggregation of revenue | 2,395,737 | 2,324,889 | 7,495,542 | 6,484,916
Net revenue recognition (Agent) |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Disaggregation of revenue | 138,617 | 122,632 | 433,039 | 385,174
North America |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Disaggregation of revenue | 2,099,837 | 2,019,876 | 6,411,786 | 5,434,286
North America | Gross revenue recognition (Principal) |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Disaggregation of revenue | 1,990,277 | 1,926,059 | 6,087,854 | 5,157,086
North America | Net revenue recognition (Agent) |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Disaggregation of revenue | 109,560 | 93,817 | 323,932 | 277,200
EMEA |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Disaggregation of revenue | 379,574 | 381,448 | 1,337,338 | 1,277,658
EMEA | Gross revenue recognition (Principal) |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Disaggregation of revenue | 358,697 | 358,981 | 1,254,980 | 1,190,283
EMEA | Net revenue recognition (Agent) |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Disaggregation of revenue | 20,877 | 22,467 | 82,358 | 87,375
APAC |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Disaggregation of revenue | 54,943 | 46,197 | 179,457 | 158,146
APAC | Gross revenue recognition (Principal) |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Disaggregation of revenue | 46,763 | 39,849 | 152,708 | 137,547
APAC | Net revenue recognition (Agent) |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Disaggregation of revenue | 8,180 | 6,348 | 26,749 | 20,599
Large Enterprise / Corporate |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Disaggregation of revenue | 1,793,654 | 1,745,485 | 5,543,523 | 4,788,357
Large Enterprise / Corporate | North America |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Disaggregation of revenue | 1,473,014 | 1,447,246 | 4,509,731 | 3,838,627
Large Enterprise / Corporate | EMEA |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Disaggregation of revenue | 295,565 | 276,292 | 955,858 | 883,044
Large Enterprise / Corporate | APAC |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Disaggregation of revenue | 25,075 | 21,947 | 77,934 | 66,686
Commercial |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Disaggregation of revenue | 454,546 | 414,944 | 1,414,523 | 1,188,209
Commercial | North America |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Disaggregation of revenue | 424,600 | 384,458 | 1,314,733 | 1,091,247
Commercial | EMEA |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Disaggregation of revenue | 11,898 | 13,209 | 49,631 | 50,908
Commercial | APAC |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Disaggregation of revenue | 18,048 | 17,277 | 50,159 | 46,054
Public Sector |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Disaggregation of revenue | 286,154 | 287,092 | 970,535 | 893,524
Public Sector | North America |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Disaggregation of revenue | 202,223 | 188,172 | 587,322 | 504,412
Public Sector | EMEA |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Disaggregation of revenue | 72,111 | 91,947 | 331,849 | 343,706
Public Sector | APAC |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Disaggregation of revenue | 11,820 | 6,973 | 51,364 | 45,406
Hardware |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Disaggregation of revenue | 1,572,275 | 1,592,495 | 4,976,979 | 4,258,464
Hardware | North America |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Disaggregation of revenue | 1,404,207 | 1,418,335 | 4,415,000 | 3,696,594
Hardware | EMEA |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Disaggregation of revenue | 151,505 | 160,645 | 517,512 | 527,022
Hardware | APAC |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Disaggregation of revenue | 16,563 | 13,515 | 44,467 | 34,848
Software |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Disaggregation of revenue | 596,922 | 531,744 | 1,851,747 | 1,647,973
Software | North America |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Disaggregation of revenue | 396,921 | 338,440 | 1,115,475 | 978,987
Software | EMEA |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Disaggregation of revenue | 184,361 | 178,868 | 669,760 | 598,277
Software | APAC |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Disaggregation of revenue | 15,640 | 14,436 | 66,512 | 70,709
Services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Disaggregation of revenue | 365,157 | 323,282 | 1,099,855 | 963,653
Services | North America |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Disaggregation of revenue | 298,709 | 263,101 | 881,311 | 758,705
Services | EMEA |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Disaggregation of revenue | 43,708 | 41,935 | 150,066 | 152,359
Services | APAC |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Disaggregation of revenue | $ 22,740 | $ 18,246 | $ 68,478 | $ 52,589

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