Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Cash Flows from Operating Activities:
Net income	$ 156,316	$ 175,398	$ 337,504	$ 385,688
Adjustments to reconcile net income to net cash provided by operating activities—
Depreciation	73,507	61,616	218,420	186,480
Amortization of intangible assets	67,147	22,772	290,843	65,418
Asset impairment charges	0	0	2,800	2,319
Change in fair value of contingent consideration liabilities	(1,924)	(787)	4,054	(1,360)
Equity in (earnings) losses of unconsolidated affiliates, net of distributions	(12,949)	(10,758)	(28,732)	(24,734)
Amortization of discounts and deferred financing costs	2,026	3,919	4,944	5,609
Gain on sale of property and equipment	(4,862)	(1,077)	(8,318)	(10,931)
Gain on sale of investments	0	0	(6,696)	0
Unrealized loss from mark-to-market adjustment on investment	26,462	0	76,509	0
Increase in provision for credit losses	2,343	249	2,048	24,169
Deferred income tax expense (benefit)	39,215	(2,502)	39,610	14,245
Non-cash stock-based compensation	26,648	21,642	77,730	64,252
Foreign currency (gain) loss	(1,872)	(4,901)	888	(6,531)
Payments for contingent consideration liabilities	0	0	(63)	0
Changes in operating assets and liabilities, net of non-cash transactions	(28,695)	(247,695)	(464,358)	(372,187)
Net cash provided by operating activities	343,362	17,876	547,183	332,437
Cash Flows from Investing Activities:
Capital expenditures	(105,958)	(74,612)	(337,469)	(232,996)
Proceeds from sale of property and equipment	18,217	16,431	42,621	35,101
Proceeds from insurance settlements related to property and equipment	0	255	982	535
Cash paid for acquisitions, net of cash, cash equivalents and restricted cash acquired	(172,957)	(33,261)	(177,766)	(101,373)
Investments in unconsolidated affiliates and other	(3,969)	(5,154)	(20,622)	(119,478)
Cash received from investments	0	5	16,905	3,022
Cash paid for intangible assets	(61)	(200)	(397)	(524)
Net cash used in investing activities	(264,728)	(96,536)	(475,746)	(415,713)
Cash Flows from Financing Activities:
Borrowings under credit facility and commercial paper program	2,522,735	1,240,766	5,412,107	3,124,845
Payments under credit facility and commercial paper program	(2,492,081)	(1,142,350)	(5,239,330)	(2,857,190)
Proceeds from notes offerings	0	1,487,450	0	1,487,450
Payments on other long-term debt	(2,402)	(916)	(6,383)	(2,530)
Net borrowings (repayments) of short-term debt	0	13,619	(15,596)	9,372
Payments of financing costs	(214)	(5,056)	(262)	(5,056)
Payments for contingent consideration liabilities	0	0	(1,514)	(263)
Distributions to non-controlling interests, net of contributions received	(7,601)	(1,107)	(7,992)	(6,357)
Payments related to tax withholding for share-based compensation	(2,424)	(2,638)	(78,639)	(63,131)
Payments of dividends	(10,068)	(8,414)	(30,998)	(25,627)
Repurchase of common stock	(20,751)	(17,764)	(115,115)	(66,687)
Net cash provided by (used in) financing activities	(12,806)	1,563,590	(83,722)	1,594,826
Effect of foreign exchange rate changes on cash, cash equivalents and restricted cash	(856)	(549)	(1,264)	738
Net increase (decrease) in cash, cash equivalents and restricted cash	64,972	1,484,381	(13,549)	1,512,288
Cash, cash equivalents and restricted cash, beginning of period	153,366	214,715	231,887	186,808
Cash, cash equivalents and restricted cash, end of period	$ 218,338	$ 1,699,096	$ 218,338	$ 1,699,096