Goodwill and Other Intangible Assets - Summary of Changes in Goodwill by Reportable Business Segment (Detail) - USD ($) $ in Thousands	12 Months Ended
	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