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Acquisitions and Dispositions - Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | May 31, 2022 | Apr. 19, 2022 | Dec. 31, 2021 | Aug. 02, 2021
--- | --- | --- | --- | --- | ---
Business Acquisition [Line Items] |  |  |  |  |
Goodwill | $ 1,615,694 |  |  | $ 1,652,723 |
Goodstuff Holdings Limited |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Cash and cash equivalents |  |  |  | 30,985 |
Accounts receivable |  |  |  | 28,685 |
Other current assets |  |  |  | 3,207 |
Fixed assets |  |  |  | 237 |
Right-of-use lease assets - operating leases |  |  |  | 2,060 |
Intangible assets |  |  |  | 14,974 |
Other assets |  |  |  | 55 |
Accounts payable |  |  |  | (6,344) |
Accruals and other liabilities |  |  |  | (27,353) |
Advance billings |  |  |  | (15,956) |
Current portion of lease liabilities |  |  |  | (857) |
Income taxes payable |  |  |  | (967) |
Long-term portion of lease liabilities |  |  |  | (3,744) |
Other liabilities |  |  |  | (1,204) |
Net liabilities assumed |  |  |  | 23,778 |
Goodwill |  |  |  | 4,410 |
Purchase price consideration |  |  |  | $ 28,188 |
MDC |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Cash and cash equivalents |  |  |  |  | $ 130,197
Accounts receivable |  |  |  |  | 398,736
Other current assets |  |  |  |  | 41,291
Fixed assets |  |  |  |  | 81,343
Right-of-use lease assets - operating leases |  |  |  |  | 252,739
Intangible assets |  |  |  |  | 810,900
Other assets |  |  |  |  | 18,282
Accounts payable |  |  |  |  | (139,590)
Accruals and other liabilities |  |  |  |  | (307,439)
Advance billings |  |  |  |  | (211,212)
Current portion of lease liabilities |  |  |  |  | (54,009)
Current portion of deferred acquisition consideration |  |  |  |  | (53,054)
Long-term debt |  |  |  |  | (901,736)
Revolving credit facility |  |  |  |  | (109,954)
Long-term portion of deferred acquisition consideration |  |  |  |  | (8,056)
Long-term portion of lease liabilities |  |  |  |  | (283,637)
Other liabilities |  |  |  |  | (139,026)
Redeemable noncontrolling interests |  |  |  |  | (25,990)
Preferred shares |  |  |  |  | (209,980)
Noncontrolling interests |  |  |  |  | (151,090)
Net liabilities assumed |  |  |  |  | (861,285)
Goodwill |  |  |  |  | 1,290,347
Purchase price consideration |  |  |  |  | 429,062
BNG |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Cash and cash equivalents |  |  | $ 2,771 |  |
Accounts receivable |  |  |  |  | 7,638
Other current assets |  |  |  |  | 1,634
Fixed assets |  |  |  |  | 2,338
Intangible assets |  |  |  |  | 12,410
Other assets |  |  |  |  | 1,416
Accounts payable |  |  |  |  | (6,855)
Accruals and other liabilities |  |  |  |  | (4,896)
Advance billings |  |  |  |  | (1,095)
Other liabilities |  |  |  |  | (3,448)
Net liabilities assumed |  |  | 11,913 |  |
Goodwill |  |  |  |  | $ 25,552
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed Less Deferred Acquisition Consideration, Net |  |  | $ 37,465 |  |
TMA Direct |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Accounts receivable |  | $ 582 |  |  |
Other current assets |  | 669 |  |  |
Intangible assets |  | 13,200 |  |  |
Accounts payable |  | (379) |  |  |
Accruals and other liabilities |  | (270) |  |  |
Noncontrolling interests |  | (2,667) |  |  |
Net liabilities assumed |  | 11,135 |  |  |
Goodwill |  | 6,569 |  |  |
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed Less Deferred Acquisition Consideration, Net |  | $ 17,704 |  |  |

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