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Acquisitions and Divestiture - Allocation of Aggregate Purchase Price of Acquired Net Assets (Detail) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020
Business Acquisition [Line Items] |  |  |
Goodwill | $ 5,180,999 |  | $ 4,224,906
Total cash paid | 1,839,664 | $ 116,509 |
Abaco |  |  |
Business Acquisition [Line Items] |  |  |
Property, plant and equipment | 56,200 |  |
Goodwill | 737,900 |  |
Other intangible assets | 616,900 |  |
Deferred income taxes | (122,200) |  |
Net working capital and other | 57,100 |  |
Total cash paid | 1,345,900 |  |
Other Acquisitions |  |  |
Business Acquisition [Line Items] |  |  |
Property, plant and equipment | 39,200 |  |
Goodwill | 244,700 |  |
Other intangible assets | 252,800 |  |
Deferred income taxes | (30,500) |  |
Net working capital and other | (12,400) |  |
Total cash paid | 493,800 |  |
Total |  |  |
Business Acquisition [Line Items] |  |  |
Property, plant and equipment | 95,400 |  |
Goodwill | 982,600 |  |
Other intangible assets | 869,700 |  |
Deferred income taxes | (152,700) |  |
Net working capital and other | 44,700 |  |
Total cash paid | 1,839,700 |  |
Accounts receivable included in purchase price | $ 66,200 |  |

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- Definition Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123413009&loc=d3e4845-128472 + Details
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