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Goodwill and Other Intangible Assets - Summary of Changes in Goodwill by Reportable Business Segment (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Goodwill [Roll Forward] |  |
Beginning Balance of Goodwill | $ 4,833,047 | $ 4,542,074
Acquisitions | 28,934 | 288,397
Acquisition Accounting Adjustments | (1,908) | 2,914
Foreign Currency | (140,892) | (338)
Ending Balance of Goodwill | 4,719,181 | 4,833,047
North America |  |
Goodwill [Roll Forward] |  |
Beginning Balance of Goodwill | 3,369,173 | 3,087,875
Acquisitions | 24,984 | 268,866
Acquisition Accounting Adjustments | (1,908) | 2,914
Foreign Currency | 8,523 | 9,518
Ending Balance of Goodwill | 3,400,772 | 3,369,173
Brazil |  |
Goodwill [Roll Forward] |  |
Beginning Balance of Goodwill | 756,975 | 784,325
Acquisitions | 0 | 0
Acquisition Accounting Adjustments | 0 | 0
Foreign Currency | (171,114) | (27,350)
Ending Balance of Goodwill | 585,861 | 756,975
International |  |
Goodwill [Roll Forward] |  |
Beginning Balance of Goodwill | 706,899 | 669,874
Acquisitions | 3,950 | 19,531
Acquisition Accounting Adjustments | 0 | 0
Foreign Currency | 21,699 | 17,494
Ending Balance of Goodwill | $ 732,548 | $ 706,899

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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 + Details
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